Home / 132,589.72-198,884.58-109,166.95

Finding the Fourth Proportional to 132,589.72, 198,884.58 and 109,166.95

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Solution

The fourth proportional to 132,589.72, 198,884.58 and 109,166.95 is: 163,750.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,589.72 : 198,884.58 = 109,166.95 : x
  2. Step 2: Convert to fraction form
    132,589.72/198,884.58 = 109,166.95/x
  3. Step 3: Cross multiply
    132,589.72x = 198,884.58 × 109,166.95
  4. Step 4: Simplify right side
    132,589.72x = 21,711,622,503.42
  5. Step 5: Solve for x
    x = 21,711,622,503.42/132,589.72
  6. Step 6: Final answer
    x = 163,750.42

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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.