Home / 137,689.04-206,391.49-57,773.43

Finding the Fourth Proportional to 137,689.04, 206,391.49 and 57,773.43

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Solution

The fourth proportional to 137,689.04, 206,391.49 and 57,773.43 is: 86,600.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,689.04 : 206,391.49 = 57,773.43 : x
  2. Step 2: Convert to fraction form
    137,689.04/206,391.49 = 57,773.43/x
  3. Step 3: Cross multiply
    137,689.04x = 206,391.49 × 57,773.43
  4. Step 4: Simplify right side
    137,689.04x = 11,923,944,155.68
  5. Step 5: Solve for x
    x = 11,923,944,155.68/137,689.04
  6. Step 6: Final answer
    x = 86,600.53

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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.