Home / 132,239.88-198,286.92-68,901.93

Finding the Fourth Proportional to 132,239.88, 198,286.92 and 68,901.93

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Solution

The fourth proportional to 132,239.88, 198,286.92 and 68,901.93 is: 103,314.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,239.88 : 198,286.92 = 68,901.93 : x
  2. Step 2: Convert to fraction form
    132,239.88/198,286.92 = 68,901.93/x
  3. Step 3: Cross multiply
    132,239.88x = 198,286.92 × 68,901.93
  4. Step 4: Simplify right side
    132,239.88x = 13,662,351,481.76
  5. Step 5: Solve for x
    x = 13,662,351,481.76/132,239.88
  6. Step 6: Final answer
    x = 103,314.91

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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.