Home / 137,624.22-206,371.26-53,424.72

Finding the Fourth Proportional to 137,624.22, 206,371.26 and 53,424.72

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Solution

The fourth proportional to 137,624.22, 206,371.26 and 53,424.72 is: 80,111.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,624.22 : 206,371.26 = 53,424.72 : x
  2. Step 2: Convert to fraction form
    137,624.22/206,371.26 = 53,424.72/x
  3. Step 3: Cross multiply
    137,624.22x = 206,371.26 × 53,424.72
  4. Step 4: Simplify right side
    137,624.22x = 11,025,326,781.55
  5. Step 5: Solve for x
    x = 11,025,326,781.55/137,624.22
  6. Step 6: Final answer
    x = 80,111.82

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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.