Home / 125,331.24-172,966.24-71,615.04

Finding the Fourth Proportional to 125,331.24, 172,966.24 and 71,615.04

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Solution

The fourth proportional to 125,331.24, 172,966.24 and 71,615.04 is: 98,833.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,331.24 : 172,966.24 = 71,615.04 : x
  2. Step 2: Convert to fraction form
    125,331.24/172,966.24 = 71,615.04/x
  3. Step 3: Cross multiply
    125,331.24x = 172,966.24 × 71,615.04
  4. Step 4: Simplify right side
    125,331.24x = 12,386,984,196.25
  5. Step 5: Solve for x
    x = 12,386,984,196.25/125,331.24
  6. Step 6: Final answer
    x = 98,833.97

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1.5x scale

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.