Home / 167,540.40-231,203.16-92,087.28

Finding the Fourth Proportional to 167,540.40, 231,203.16 and 92,087.28

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Solution

The fourth proportional to 167,540.40, 231,203.16 and 92,087.28 is: 127,079.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,540.40 : 231,203.16 = 92,087.28 : x
  2. Step 2: Convert to fraction form
    167,540.40/231,203.16 = 92,087.28/x
  3. Step 3: Cross multiply
    167,540.40x = 231,203.16 × 92,087.28
  4. Step 4: Simplify right side
    167,540.40x = 21,290,870,131.80
  5. Step 5: Solve for x
    x = 21,290,870,131.80/167,540.40
  6. Step 6: Final answer
    x = 127,079.02

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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.