Home / 283,808.27-391,635.41-156,481.13

Finding the Fourth Proportional to 283,808.27, 391,635.41 and 156,481.13

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Solution

The fourth proportional to 283,808.27, 391,635.41 and 156,481.13 is: 215,932.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,808.27 : 391,635.41 = 156,481.13 : x
  2. Step 2: Convert to fraction form
    283,808.27/391,635.41 = 156,481.13/x
  3. Step 3: Cross multiply
    283,808.27x = 391,635.41 × 156,481.13
  4. Step 4: Simplify right side
    283,808.27x = 61,283,551,701.50
  5. Step 5: Solve for x
    x = 61,283,551,701.50/283,808.27
  6. Step 6: Final answer
    x = 215,932.93

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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.