Home / 137,553.24-206,312.28-53,255.73

Finding the Fourth Proportional to 137,553.24, 206,312.28 and 53,255.73

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Solution

The fourth proportional to 137,553.24, 206,312.28 and 53,255.73 is: 79,876.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,553.24 : 206,312.28 = 53,255.73 : x
  2. Step 2: Convert to fraction form
    137,553.24/206,312.28 = 53,255.73/x
  3. Step 3: Cross multiply
    137,553.24x = 206,312.28 × 53,255.73
  4. Step 4: Simplify right side
    137,553.24x = 10,987,311,079.36
  5. Step 5: Solve for x
    x = 10,987,311,079.36/137,553.24
  6. Step 6: Final answer
    x = 79,876.79

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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.