Home / 166,049.20-229,078.56-108,702.56

Finding the Fourth Proportional to 166,049.20, 229,078.56 and 108,702.56

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Solution

The fourth proportional to 166,049.20, 229,078.56 and 108,702.56 is: 149,964.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,049.20 : 229,078.56 = 108,702.56 : x
  2. Step 2: Convert to fraction form
    166,049.20/229,078.56 = 108,702.56/x
  3. Step 3: Cross multiply
    166,049.20x = 229,078.56 × 108,702.56
  4. Step 4: Simplify right side
    166,049.20x = 24,901,425,913.11
  5. Step 5: Solve for x
    x = 24,901,425,913.11/166,049.20
  6. Step 6: Final answer
    x = 149,964.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.