Home / 137,631.26-206,446.50-37,791.56

Finding the Fourth Proportional to 137,631.26, 206,446.50 and 37,791.56

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Solution

The fourth proportional to 137,631.26, 206,446.50 and 37,791.56 is: 56,687.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,631.26 : 206,446.50 = 37,791.56 : x
  2. Step 2: Convert to fraction form
    137,631.26/206,446.50 = 37,791.56/x
  3. Step 3: Cross multiply
    137,631.26x = 206,446.50 × 37,791.56
  4. Step 4: Simplify right side
    137,631.26x = 7,801,934,259.31
  5. Step 5: Solve for x
    x = 7,801,934,259.31/137,631.26
  6. Step 6: Final answer
    x = 56,687.23

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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.