Home / 318,790.76-439,944.82-182,863.04

Finding the Fourth Proportional to 318,790.76, 439,944.82 and 182,863.04

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Solution

The fourth proportional to 318,790.76, 439,944.82 and 182,863.04 is: 252,358.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,790.76 : 439,944.82 = 182,863.04 : x
  2. Step 2: Convert to fraction form
    318,790.76/439,944.82 = 182,863.04/x
  3. Step 3: Cross multiply
    318,790.76x = 439,944.82 × 182,863.04
  4. Step 4: Simplify right side
    318,790.76x = 80,449,644,560.57
  5. Step 5: Solve for x
    x = 80,449,644,560.57/318,790.76
  6. Step 6: Final answer
    x = 252,358.78

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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.