Home / 192,691.10-288,864.43-150,339.85

Finding the Fourth Proportional to 192,691.10, 288,864.43 and 150,339.85

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Solution

The fourth proportional to 192,691.10, 288,864.43 and 150,339.85 is: 225,375.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,691.10 : 288,864.43 = 150,339.85 : x
  2. Step 2: Convert to fraction form
    192,691.10/288,864.43 = 150,339.85/x
  3. Step 3: Cross multiply
    192,691.10x = 288,864.43 × 150,339.85
  4. Step 4: Simplify right side
    192,691.10x = 43,427,833,978.52
  5. Step 5: Solve for x
    x = 43,427,833,978.52/192,691.10
  6. Step 6: Final answer
    x = 225,375.40

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1.5x scale

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.