Home / 167,423.13-231,046.37-90,943.66

Finding the Fourth Proportional to 167,423.13, 231,046.37 and 90,943.66

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Solution

The fourth proportional to 167,423.13, 231,046.37 and 90,943.66 is: 125,503.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,423.13 : 231,046.37 = 90,943.66 : x
  2. Step 2: Convert to fraction form
    167,423.13/231,046.37 = 90,943.66/x
  3. Step 3: Cross multiply
    167,423.13x = 231,046.37 × 90,943.66
  4. Step 4: Simplify right side
    167,423.13x = 21,012,203,204.20
  5. Step 5: Solve for x
    x = 21,012,203,204.20/167,423.13
  6. Step 6: Final answer
    x = 125,503.59

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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.