Home / 132,562.28-198,843.42-109,139.52

Finding the Fourth Proportional to 132,562.28, 198,843.42 and 109,139.52

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Solution

The fourth proportional to 132,562.28, 198,843.42 and 109,139.52 is: 163,709.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,562.28 : 198,843.42 = 109,139.52 : x
  2. Step 2: Convert to fraction form
    132,562.28/198,843.42 = 109,139.52/x
  3. Step 3: Cross multiply
    132,562.28x = 198,843.42 × 109,139.52
  4. Step 4: Simplify right side
    132,562.28x = 21,701,675,413.96
  5. Step 5: Solve for x
    x = 21,701,675,413.96/132,562.28
  6. Step 6: Final answer
    x = 163,709.28

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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.