Home / 283,841.41-391,692.75-156,516.97

Finding the Fourth Proportional to 283,841.41, 391,692.75 and 156,516.97

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Solution

The fourth proportional to 283,841.41, 391,692.75 and 156,516.97 is: 215,988.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,841.41 : 391,692.75 = 156,516.97 : x
  2. Step 2: Convert to fraction form
    283,841.41/391,692.75 = 156,516.97/x
  3. Step 3: Cross multiply
    283,841.41x = 391,692.75 × 156,516.97
  4. Step 4: Simplify right side
    283,841.41x = 61,306,562,400.97
  5. Step 5: Solve for x
    x = 61,306,562,400.97/283,841.41
  6. Step 6: Final answer
    x = 215,988.79

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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.