Home / 132,288.52-198,546.20-53,459.32

Finding the Fourth Proportional to 132,288.52, 198,546.20 and 53,459.32

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Solution

The fourth proportional to 132,288.52, 198,546.20 and 53,459.32 is: 80,234.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,288.52 : 198,546.20 = 53,459.32 : x
  2. Step 2: Convert to fraction form
    132,288.52/198,546.20 = 53,459.32/x
  3. Step 3: Cross multiply
    132,288.52x = 198,546.20 × 53,459.32
  4. Step 4: Simplify right side
    132,288.52x = 10,614,144,840.58
  5. Step 5: Solve for x
    x = 10,614,144,840.58/132,288.52
  6. Step 6: Final answer
    x = 80,234.81

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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.