Home / 454,635.17-681,755.13-130,351.85

Finding the Fourth Proportional to 454,635.17, 681,755.13 and 130,351.85

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Solution

The fourth proportional to 454,635.17, 681,755.13 and 130,351.85 is: 195,471.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,635.17 : 681,755.13 = 130,351.85 : x
  2. Step 2: Convert to fraction form
    454,635.17/681,755.13 = 130,351.85/x
  3. Step 3: Cross multiply
    454,635.17x = 681,755.13 × 130,351.85
  4. Step 4: Simplify right side
    454,635.17x = 88,868,042,442.49
  5. Step 5: Solve for x
    x = 88,868,042,442.49/454,635.17
  6. Step 6: Final answer
    x = 195,471.11

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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.