Home / 215,432.38-323,296.22-75,191.01

Finding the Fourth Proportional to 215,432.38, 323,296.22 and 75,191.01

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Solution

The fourth proportional to 215,432.38, 323,296.22 and 75,191.01 is: 112,838.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,432.38 : 323,296.22 = 75,191.01 : x
  2. Step 2: Convert to fraction form
    215,432.38/323,296.22 = 75,191.01/x
  3. Step 3: Cross multiply
    215,432.38x = 323,296.22 × 75,191.01
  4. Step 4: Simplify right side
    215,432.38x = 24,308,969,310.98
  5. Step 5: Solve for x
    x = 24,308,969,310.98/215,432.38
  6. Step 6: Final answer
    x = 112,838.05

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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.