Home / 283,587.20-391,367.52-156,262.64

Finding the Fourth Proportional to 283,587.20, 391,367.52 and 156,262.64

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Solution

The fourth proportional to 283,587.20, 391,367.52 and 156,262.64 is: 215,651.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,587.20 : 391,367.52 = 156,262.64 : x
  2. Step 2: Convert to fraction form
    283,587.20/391,367.52 = 156,262.64/x
  3. Step 3: Cross multiply
    283,587.20x = 391,367.52 × 156,262.64
  4. Step 4: Simplify right side
    283,587.20x = 61,156,121,885.45
  5. Step 5: Solve for x
    x = 61,156,121,885.45/283,587.20
  6. Step 6: Final answer
    x = 215,651.91

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1.5x scale

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.