Home / 381,248.13-571,876.29-115,010.95

Finding the Fourth Proportional to 381,248.13, 571,876.29 and 115,010.95

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Solution

The fourth proportional to 381,248.13, 571,876.29 and 115,010.95 is: 172,517.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,248.13 : 571,876.29 = 115,010.95 : x
  2. Step 2: Convert to fraction form
    381,248.13/571,876.29 = 115,010.95/x
  3. Step 3: Cross multiply
    381,248.13x = 571,876.29 × 115,010.95
  4. Step 4: Simplify right side
    381,248.13x = 65,772,035,395.38
  5. Step 5: Solve for x
    x = 65,772,035,395.38/381,248.13
  6. Step 6: Final answer
    x = 172,517.66

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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.