Home / 132,589.20-198,883.80-106,345.20

Finding the Fourth Proportional to 132,589.20, 198,883.80 and 106,345.20

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Solution

The fourth proportional to 132,589.20, 198,883.80 and 106,345.20 is: 159,517.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,589.20 : 198,883.80 = 106,345.20 : x
  2. Step 2: Convert to fraction form
    132,589.20/198,883.80 = 106,345.20/x
  3. Step 3: Cross multiply
    132,589.20x = 198,883.80 × 106,345.20
  4. Step 4: Simplify right side
    132,589.20x = 21,150,337,487.76
  5. Step 5: Solve for x
    x = 21,150,337,487.76/132,589.20
  6. Step 6: Final answer
    x = 159,517.80

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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.