Home / 215,819.11-323,791.85-110,711.35

Finding the Fourth Proportional to 215,819.11, 323,791.85 and 110,711.35

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Solution

The fourth proportional to 215,819.11, 323,791.85 and 110,711.35 is: 166,099.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,819.11 : 323,791.85 = 110,711.35 : x
  2. Step 2: Convert to fraction form
    215,819.11/323,791.85 = 110,711.35/x
  3. Step 3: Cross multiply
    215,819.11x = 323,791.85 × 110,711.35
  4. Step 4: Simplify right side
    215,819.11x = 35,847,432,278.94
  5. Step 5: Solve for x
    x = 35,847,432,278.94/215,819.11
  6. Step 6: Final answer
    x = 166,099.44

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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.