Home / 167,930.28-231,746.88-91,451.64

Finding the Fourth Proportional to 167,930.28, 231,746.88 and 91,451.64

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Solution

The fourth proportional to 167,930.28, 231,746.88 and 91,451.64 is: 126,204.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,930.28 : 231,746.88 = 91,451.64 : x
  2. Step 2: Convert to fraction form
    167,930.28/231,746.88 = 91,451.64/x
  3. Step 3: Cross multiply
    167,930.28x = 231,746.88 × 91,451.64
  4. Step 4: Simplify right side
    167,930.28x = 21,193,632,240.88
  5. Step 5: Solve for x
    x = 21,193,632,240.88/167,930.28
  6. Step 6: Final answer
    x = 126,204.95

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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.