Home / 137,557.32-206,331.11-37,715.91

Finding the Fourth Proportional to 137,557.32, 206,331.11 and 37,715.91

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Solution

The fourth proportional to 137,557.32, 206,331.11 and 37,715.91 is: 56,572.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,557.32 : 206,331.11 = 37,715.91 : x
  2. Step 2: Convert to fraction form
    137,557.32/206,331.11 = 37,715.91/x
  3. Step 3: Cross multiply
    137,557.32x = 206,331.11 × 37,715.91
  4. Step 4: Simplify right side
    137,557.32x = 7,781,965,574.96
  5. Step 5: Solve for x
    x = 7,781,965,574.96/137,557.32
  6. Step 6: Final answer
    x = 56,572.53

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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.