Home / 311,723.73-467,417.91-161,591.85

Finding the Fourth Proportional to 311,723.73, 467,417.91 and 161,591.85

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Solution

The fourth proportional to 311,723.73, 467,417.91 and 161,591.85 is: 242,300.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,723.73 : 467,417.91 = 161,591.85 : x
  2. Step 2: Convert to fraction form
    311,723.73/467,417.91 = 161,591.85/x
  3. Step 3: Cross multiply
    311,723.73x = 467,417.91 × 161,591.85
  4. Step 4: Simplify right side
    311,723.73x = 75,530,924,800.03
  5. Step 5: Solve for x
    x = 75,530,924,800.03/311,723.73
  6. Step 6: Final answer
    x = 242,300.85

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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.