Home / 167,851.16-231,640.25-91,373.05

Finding the Fourth Proportional to 167,851.16, 231,640.25 and 91,373.05

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Solution

The fourth proportional to 167,851.16, 231,640.25 and 91,373.05 is: 126,097.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,851.16 : 231,640.25 = 91,373.05 : x
  2. Step 2: Convert to fraction form
    167,851.16/231,640.25 = 91,373.05/x
  3. Step 3: Cross multiply
    167,851.16x = 231,640.25 × 91,373.05
  4. Step 4: Simplify right side
    167,851.16x = 21,165,676,145.26
  5. Step 5: Solve for x
    x = 21,165,676,145.26/167,851.16
  6. Step 6: Final answer
    x = 126,097.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.