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Posted on Jan 02, 2017

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1.71/4.56 ratio simplified.

First, let's clean it up by multiplying top (numerator) and bottom (denominated) by 100. Now we have 171/456.

Next, I use an old trick. If you add up the digits in a number and the answer is divisible by 3, the number is divisible by 3.

1+7+1 = 9 and 9 is evenly divisible by 3, so 171 is divisible by 3.

Similarly, with 456, 4+5+6 = 15 and 3 goes evenly into 15, so 3 goes in evenly to 15. Alternatively, we can take the answer 15, and go 1+5 = 6 and 3 goes evenly into 6 so 3 goes evenly into 456.

171 ÷ 3 = 57

----- ----

456 ÷ 3 = 152

Since is 57, 5+7 = 12 and 1+2 =3, 3 goes into 57 19 times.

Since 152 is even, factors are 2 and 76. Factoring 76, 2 and 38. Factoring 38, 2 and 19. So 152 is 2 x 2 x 2 x 19.

Since 19 is common, we can divide top (numerator) and bottom (denominated) by 19.

57 ÷ 19 = 3

--- ----

152 ÷ 19 = 8

Thus, the final answer is 3/8.

Alternatively, you can factor 171 and 456 and divide by the highest common factor, which are the factors that are common to both.

First, let's clean it up by multiplying top (numerator) and bottom (denominated) by 100. Now we have 171/456.

Next, I use an old trick. If you add up the digits in a number and the answer is divisible by 3, the number is divisible by 3.

1+7+1 = 9 and 9 is evenly divisible by 3, so 171 is divisible by 3.

Similarly, with 456, 4+5+6 = 15 and 3 goes evenly into 15, so 3 goes in evenly to 15. Alternatively, we can take the answer 15, and go 1+5 = 6 and 3 goes evenly into 6 so 3 goes evenly into 456.

171 ÷ 3 = 57

----- ----

456 ÷ 3 = 152

Since is 57, 5+7 = 12 and 1+2 =3, 3 goes into 57 19 times.

Since 152 is even, factors are 2 and 76. Factoring 76, 2 and 38. Factoring 38, 2 and 19. So 152 is 2 x 2 x 2 x 19.

Since 19 is common, we can divide top (numerator) and bottom (denominated) by 19.

57 ÷ 19 = 3

--- ----

152 ÷ 19 = 8

Thus, the final answer is 3/8.

Alternatively, you can factor 171 and 456 and divide by the highest common factor, which are the factors that are common to both.

Feb 22, 2015 | Office Equipment & Supplies

Ratios can not be calculate.

Aug 21, 2014 | Panasonic TC-P42X3 VIERA 42 Class 41.6...

- Press the key marked [LN],
- If the calculator
**suppliies a left parenthesis (**, proceed to enter the ratio 300.9/203.3. - But if the calculator does not insert a ( after LN, insert one and then enter the ratio 300.9/203.3
- Close argument by pressing the ) parenthesis key.
- Press the division key, followed by 37.
- Press the =/EXE key.
- The result should be 0.010597169 or about 0.011

Jul 16, 2012 | Sharp ELW535 Calculator

For all practical purposes, ratios involve nothing but the division of one quantity by another. Thus you use the division key. The first cited in a ratio is put in the numerator (dividend), the second named is put in the denominator (the divisor).

2:3 translates as 2/3.

2:3 translates as 2/3.

Apr 12, 2012 | Casio FX-115MS Plus Calculator

Normal aspect ratio is 4:3, and the wide aspect ratio is 16:9. If you play a game meant for 4:3 and you change the TVs aspect ratio to 16:9; part of the picture will be cut off. It is not the fault of the TV.

Oct 15, 2010 | Sanyo DS27800 27" TV

The conversion formula is

# dB =10*log(Pout/Pin) for say an amplifier.

For your case

Pout/Pin= 10^4 then #dB =10*log(10^4)=10*4=40 dB

Let us take a less obscure exemple

# dB= 57.39, what is the power ratio?

10*log(Pout/Pin)= 57.39

log(Pout/Pin)=57.39/10=5.739

Pout/Pin=Ratio =10^(5.739)= 548276.9649, not a number you would hear or see quoted, but a correct value.

To calculate the power ratio

# dB =10*log(Pout/Pin) for say an amplifier.

For your case

Pout/Pin= 10^4 then #dB =10*log(10^4)=10*4=40 dB

Let us take a less obscure exemple

# dB= 57.39, what is the power ratio?

10*log(Pout/Pin)= 57.39

log(Pout/Pin)=57.39/10=5.739

Pout/Pin=Ratio =10^(5.739)= 548276.9649, not a number you would hear or see quoted, but a correct value.

To calculate the power ratio

- Convert the decibels in Bels (divide by 10)
- While the number just calculated is still in Answer memory (ANS), press [SHIFT] [LOG] to access the the 10^x function
- Press [SHIFT][(-)] to enter (ANS)
- Close the parenthesis [)]
- Press [ENTER]

Mar 02, 2010 | Sharp EL-531VB Calculator

Hello

You should ask a question**, **we cannot guess what you want.

Percent means per 100** or **1/100**. **So 75% = 75/100 or 0.75**. **Here are some exemples of percent calculations with %

Percentage (5% of 250)

250 [x] 5 [2nd] % [=] gives 12.5

**Ratio (Ratio of 250 to 5)**

250 [/] 5 [2nd] [%] [=] gives 5000.

**Add-On** (5% add-on of 250)

250 [+] 5 [2nd] [%] [=] gives 262.5

**Discount (5% discount of 250)**

250 [-] 5 [2nd][%] [=] gives 237.5

**Some percentages and decimal equivalents**

1 = 100% ; 2 = 200%, 3=300%

0.5 = 50%

0.4 =40%

0.1 = 10%

1/3= 0.33333 = 33.33%

1/4 = 0.25 = 25%

2/3= 0.66666 = 66.66%

1/5 =0.2 = 20%

1/8 = 0.125 =12,5 %

Hope it helps.

Percentage (5% of 250)

250 [x] 5 [2nd] % [=] gives 12.5

250 [/] 5 [2nd] [%] [=] gives 5000.

250 [+] 5 [2nd] [%] [=] gives 262.5

250 [-] 5 [2nd][%] [=] gives 237.5

1 = 100% ; 2 = 200%, 3=300%

0.5 = 50%

0.4 =40%

0.1 = 10%

1/3= 0.33333 = 33.33%

1/4 = 0.25 = 25%

2/3= 0.66666 = 66.66%

1/5 =0.2 = 20%

1/8 = 0.125 =12,5 %

Hope it helps.

Nov 03, 2009 | Texas Instruments TI-30XA Calculator

Your calculator is set in radians. Press mode key. Arrow down to 3rd line. Highlight degree and press enter. Your calculator is now in degrees, not radians. To get out of the mode screen and back to home screen, press 2nd and then mode.

Aug 05, 2009 | Texas Instruments TI-84 Plus Calculator

Hello,

Sorry to disappoint you but there is no special key to (solve) ratio problems. It does however have a key to enter mixed fractions (**[a b/c]** ) and a key combination to convert between mixed and improper fractions [SHIFT] [d/c].

Hope it helps.

Sorry to disappoint you but there is no special key to (solve) ratio problems. It does however have a key to enter mixed fractions (

Hope it helps.

May 06, 2009 | Casio FX-300MS Calculator

before you press enter, press the *green* diamond key

Apr 11, 2009 | Texas Instruments TI-89 Calculator

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