Home / 167,839.17-231,622.91-91,363.23

Finding the Fourth Proportional to 167,839.17, 231,622.91 and 91,363.23

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Solution

The fourth proportional to 167,839.17, 231,622.91 and 91,363.23 is: 126,083.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,839.17 : 231,622.91 = 91,363.23 : x
  2. Step 2: Convert to fraction form
    167,839.17/231,622.91 = 91,363.23/x
  3. Step 3: Cross multiply
    167,839.17x = 231,622.91 × 91,363.23
  4. Step 4: Simplify right side
    167,839.17x = 21,161,816,742.78
  5. Step 5: Solve for x
    x = 21,161,816,742.78/167,839.17
  6. Step 6: Final answer
    x = 126,083.90

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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.