Home / 132,729.84-198,626.85-82,833.30

Finding the Fourth Proportional to 132,729.84, 198,626.85 and 82,833.30

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Solution

The fourth proportional to 132,729.84, 198,626.85 and 82,833.30 is: 123,957.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,729.84 : 198,626.85 = 82,833.30 : x
  2. Step 2: Convert to fraction form
    132,729.84/198,626.85 = 82,833.30/x
  3. Step 3: Cross multiply
    132,729.84x = 198,626.85 × 82,833.30
  4. Step 4: Simplify right side
    132,729.84x = 16,452,917,454.11
  5. Step 5: Solve for x
    x = 16,452,917,454.11/132,729.84
  6. Step 6: Final answer
    x = 123,957.94

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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.