Home / 283,582.25-391,343.15-156,257.85

Finding the Fourth Proportional to 283,582.25, 391,343.15 and 156,257.85

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Solution

The fourth proportional to 283,582.25, 391,343.15 and 156,257.85 is: 215,635.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,582.25 : 391,343.15 = 156,257.85 : x
  2. Step 2: Convert to fraction form
    283,582.25/391,343.15 = 156,257.85/x
  3. Step 3: Cross multiply
    283,582.25x = 391,343.15 × 156,257.85
  4. Step 4: Simplify right side
    283,582.25x = 61,150,437,458.83
  5. Step 5: Solve for x
    x = 61,150,437,458.83/283,582.25
  6. Step 6: Final answer
    x = 215,635.63

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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.