Home / 129,862.20-194,800.68-36,375.24

Finding the Fourth Proportional to 129,862.20, 194,800.68 and 36,375.24

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Solution

The fourth proportional to 129,862.20, 194,800.68 and 36,375.24 is: 54,564.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,862.20 : 194,800.68 = 36,375.24 : x
  2. Step 2: Convert to fraction form
    129,862.20/194,800.68 = 36,375.24/x
  3. Step 3: Cross multiply
    129,862.20x = 194,800.68 × 36,375.24
  4. Step 4: Simplify right side
    129,862.20x = 7,085,921,487.16
  5. Step 5: Solve for x
    x = 7,085,921,487.16/129,862.20
  6. Step 6: Final answer
    x = 54,564.93

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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.