Home / 132,270.24-198,412.85-42,320.86

Finding the Fourth Proportional to 132,270.24, 198,412.85 and 42,320.86

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Solution

The fourth proportional to 132,270.24, 198,412.85 and 42,320.86 is: 63,483.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,270.24 : 198,412.85 = 42,320.86 : x
  2. Step 2: Convert to fraction form
    132,270.24/198,412.85 = 42,320.86/x
  3. Step 3: Cross multiply
    132,270.24x = 198,412.85 × 42,320.86
  4. Step 4: Simplify right side
    132,270.24x = 8,397,002,447.05
  5. Step 5: Solve for x
    x = 8,397,002,447.05/132,270.24
  6. Step 6: Final answer
    x = 63,483.69

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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.