Home / 150,780.87-227,255.13-129,972.06

Finding the Fourth Proportional to 150,780.87, 227,255.13 and 129,972.06

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Solution

The fourth proportional to 150,780.87, 227,255.13 and 129,972.06 is: 195,892.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,780.87 : 227,255.13 = 129,972.06 : x
  2. Step 2: Convert to fraction form
    150,780.87/227,255.13 = 129,972.06/x
  3. Step 3: Cross multiply
    150,780.87x = 227,255.13 × 129,972.06
  4. Step 4: Simplify right side
    150,780.87x = 29,536,817,391.67
  5. Step 5: Solve for x
    x = 29,536,817,391.67/150,780.87
  6. Step 6: Final answer
    x = 195,892.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.