Home / 137,555.24-206,315.28-53,257.73

Finding the Fourth Proportional to 137,555.24, 206,315.28 and 53,257.73

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Solution

The fourth proportional to 137,555.24, 206,315.28 and 53,257.73 is: 79,879.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,555.24 : 206,315.28 = 53,257.73 : x
  2. Step 2: Convert to fraction form
    137,555.24/206,315.28 = 53,257.73/x
  3. Step 3: Cross multiply
    137,555.24x = 206,315.28 × 53,257.73
  4. Step 4: Simplify right side
    137,555.24x = 10,987,882,445.54
  5. Step 5: Solve for x
    x = 10,987,882,445.54/137,555.24
  6. Step 6: Final answer
    x = 79,879.78

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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.