Home / 125,220.48-187,861.50-36,474.78

Finding the Fourth Proportional to 125,220.48, 187,861.50 and 36,474.78

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Solution

The fourth proportional to 125,220.48, 187,861.50 and 36,474.78 is: 54,721.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,220.48 : 187,861.50 = 36,474.78 : x
  2. Step 2: Convert to fraction form
    125,220.48/187,861.50 = 36,474.78/x
  3. Step 3: Cross multiply
    125,220.48x = 187,861.50 × 36,474.78
  4. Step 4: Simplify right side
    125,220.48x = 6,852,206,882.97
  5. Step 5: Solve for x
    x = 6,852,206,882.97/125,220.48
  6. Step 6: Final answer
    x = 54,721.14

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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.