Home / 283,577.02-391,333.78-156,251.68

Finding the Fourth Proportional to 283,577.02, 391,333.78 and 156,251.68

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Solution

The fourth proportional to 283,577.02, 391,333.78 and 156,251.68 is: 215,625.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,577.02 : 391,333.78 = 156,251.68 : x
  2. Step 2: Convert to fraction form
    283,577.02/391,333.78 = 156,251.68/x
  3. Step 3: Cross multiply
    283,577.02x = 391,333.78 × 156,251.68
  4. Step 4: Simplify right side
    283,577.02x = 61,146,560,565.75
  5. Step 5: Solve for x
    x = 61,146,560,565.75/283,577.02
  6. Step 6: Final answer
    x = 215,625.94

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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.