Home / 283,936.97-391,826.15-156,609.83

Finding the Fourth Proportional to 283,936.97, 391,826.15 and 156,609.83

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Solution

The fourth proportional to 283,936.97, 391,826.15 and 156,609.83 is: 216,117.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,936.97 : 391,826.15 = 156,609.83 : x
  2. Step 2: Convert to fraction form
    283,936.97/391,826.15 = 156,609.83/x
  3. Step 3: Cross multiply
    283,936.97x = 391,826.15 × 156,609.83
  4. Step 4: Simplify right side
    283,936.97x = 61,363,823,998.87
  5. Step 5: Solve for x
    x = 61,363,823,998.87/283,936.97
  6. Step 6: Final answer
    x = 216,117.77

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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.