Home / 215,891.23-323,836.56-58,119.85

Finding the Fourth Proportional to 215,891.23, 323,836.56 and 58,119.85

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Solution

The fourth proportional to 215,891.23, 323,836.56 and 58,119.85 is: 87,179.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,891.23 : 323,836.56 = 58,119.85 : x
  2. Step 2: Convert to fraction form
    215,891.23/323,836.56 = 58,119.85/x
  3. Step 3: Cross multiply
    215,891.23x = 323,836.56 × 58,119.85
  4. Step 4: Simplify right side
    215,891.23x = 18,821,332,291.72
  5. Step 5: Solve for x
    x = 18,821,332,291.72/215,891.23
  6. Step 6: Final answer
    x = 87,179.70

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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.