Home / 283,839.46-391,684.05-161,328.61

Finding the Fourth Proportional to 283,839.46, 391,684.05 and 161,328.61

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Solution

The fourth proportional to 283,839.46, 391,684.05 and 161,328.61 is: 222,625.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,839.46 : 391,684.05 = 161,328.61 : x
  2. Step 2: Convert to fraction form
    283,839.46/391,684.05 = 161,328.61/x
  3. Step 3: Cross multiply
    283,839.46x = 391,684.05 × 161,328.61
  4. Step 4: Simplify right side
    283,839.46x = 63,189,843,345.67
  5. Step 5: Solve for x
    x = 63,189,843,345.67/283,839.46
  6. Step 6: Final answer
    x = 222,625.29

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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.