Home / 167,344.86-230,939.91-90,867.17

Finding the Fourth Proportional to 167,344.86, 230,939.91 and 90,867.17

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Solution

The fourth proportional to 167,344.86, 230,939.91 and 90,867.17 is: 125,398.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,344.86 : 230,939.91 = 90,867.17 : x
  2. Step 2: Convert to fraction form
    167,344.86/230,939.91 = 90,867.17/x
  3. Step 3: Cross multiply
    167,344.86x = 230,939.91 × 90,867.17
  4. Step 4: Simplify right side
    167,344.86x = 20,984,856,979.86
  5. Step 5: Solve for x
    x = 20,984,856,979.86/167,344.86
  6. Step 6: Final answer
    x = 125,398.88

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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.