Home / 137,554.48-206,350.08-54,429.04

Finding the Fourth Proportional to 137,554.48, 206,350.08 and 54,429.04

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Solution

The fourth proportional to 137,554.48, 206,350.08 and 54,429.04 is: 81,650.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,554.48 : 206,350.08 = 54,429.04 : x
  2. Step 2: Convert to fraction form
    137,554.48/206,350.08 = 54,429.04/x
  3. Step 3: Cross multiply
    137,554.48x = 206,350.08 × 54,429.04
  4. Step 4: Simplify right side
    137,554.48x = 11,231,436,758.32
  5. Step 5: Solve for x
    x = 11,231,436,758.32/137,554.48
  6. Step 6: Final answer
    x = 81,650.82

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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.