Home / 283,594.11-391,357.98-156,269.73

Finding the Fourth Proportional to 283,594.11, 391,357.98 and 156,269.73

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Solution

The fourth proportional to 283,594.11, 391,357.98 and 156,269.73 is: 215,651.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,594.11 : 391,357.98 = 156,269.73 : x
  2. Step 2: Convert to fraction form
    283,594.11/391,357.98 = 156,269.73/x
  3. Step 3: Cross multiply
    283,594.11x = 391,357.98 × 156,269.73
  4. Step 4: Simplify right side
    283,594.11x = 61,157,405,867.95
  5. Step 5: Solve for x
    x = 61,157,405,867.95/283,594.11
  6. Step 6: Final answer
    x = 215,651.18

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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.