Home / 454,102.72-681,154.08-138,561.28

Finding the Fourth Proportional to 454,102.72, 681,154.08 and 138,561.28

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Solution

The fourth proportional to 454,102.72, 681,154.08 and 138,561.28 is: 207,841.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,102.72 : 681,154.08 = 138,561.28 : x
  2. Step 2: Convert to fraction form
    454,102.72/681,154.08 = 138,561.28/x
  3. Step 3: Cross multiply
    454,102.72x = 681,154.08 × 138,561.28
  4. Step 4: Simplify right side
    454,102.72x = 94,381,581,202.02
  5. Step 5: Solve for x
    x = 94,381,581,202.02/454,102.72
  6. Step 6: Final answer
    x = 207,841.92

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.