Home / 283,772.46-391,608.68-156,452.61

Finding the Fourth Proportional to 283,772.46, 391,608.68 and 156,452.61

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Solution

The fourth proportional to 283,772.46, 391,608.68 and 156,452.61 is: 215,906.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,772.46 : 391,608.68 = 156,452.61 : x
  2. Step 2: Convert to fraction form
    283,772.46/391,608.68 = 156,452.61/x
  3. Step 3: Cross multiply
    283,772.46x = 391,608.68 × 156,452.61
  4. Step 4: Simplify right side
    283,772.46x = 61,268,200,770.92
  5. Step 5: Solve for x
    x = 61,268,200,770.92/283,772.46
  6. Step 6: Final answer
    x = 215,906.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.