Home / 137,712.30-206,589.26-48,944.70

Finding the Fourth Proportional to 137,712.30, 206,589.26 and 48,944.70

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Solution

The fourth proportional to 137,712.30, 206,589.26 and 48,944.70 is: 73,424.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,712.30 : 206,589.26 = 48,944.70 : x
  2. Step 2: Convert to fraction form
    137,712.30/206,589.26 = 48,944.70/x
  3. Step 3: Cross multiply
    137,712.30x = 206,589.26 × 48,944.70
  4. Step 4: Simplify right side
    137,712.30x = 10,111,449,109.20
  5. Step 5: Solve for x
    x = 10,111,449,109.20/137,712.30
  6. Step 6: Final answer
    x = 73,424.44

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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.