Home / 381,790.22-527,134.12-238,614.62

Finding the Fourth Proportional to 381,790.22, 527,134.12 and 238,614.62

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Solution

The fourth proportional to 381,790.22, 527,134.12 and 238,614.62 is: 329,452.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,790.22 : 527,134.12 = 238,614.62 : x
  2. Step 2: Convert to fraction form
    381,790.22/527,134.12 = 238,614.62/x
  3. Step 3: Cross multiply
    381,790.22x = 527,134.12 × 238,614.62
  4. Step 4: Simplify right side
    381,790.22x = 125,781,907,732.83
  5. Step 5: Solve for x
    x = 125,781,907,732.83/381,790.22
  6. Step 6: Final answer
    x = 329,452.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.