Home / 215,940.07-323,910.11-110,691.91

Finding the Fourth Proportional to 215,940.07, 323,910.11 and 110,691.91

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Solution

The fourth proportional to 215,940.07, 323,910.11 and 110,691.91 is: 166,037.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,940.07 : 323,910.11 = 110,691.91 : x
  2. Step 2: Convert to fraction form
    215,940.07/323,910.11 = 110,691.91/x
  3. Step 3: Cross multiply
    215,940.07x = 323,910.11 × 110,691.91
  4. Step 4: Simplify right side
    215,940.07x = 35,854,228,744.21
  5. Step 5: Solve for x
    x = 35,854,228,744.21/215,940.07
  6. Step 6: Final answer
    x = 166,037.87

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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.