Home / 215,432.90-323,296.98-75,191.52

Finding the Fourth Proportional to 215,432.90, 323,296.98 and 75,191.52

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Solution

The fourth proportional to 215,432.90, 323,296.98 and 75,191.52 is: 112,838.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,432.90 : 323,296.98 = 75,191.52 : x
  2. Step 2: Convert to fraction form
    215,432.90/323,296.98 = 75,191.52/x
  3. Step 3: Cross multiply
    215,432.90x = 323,296.98 × 75,191.52
  4. Step 4: Simplify right side
    215,432.90x = 24,309,191,337.61
  5. Step 5: Solve for x
    x = 24,309,191,337.61/215,432.90
  6. Step 6: Final answer
    x = 112,838.81

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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.