Home / 166,961.76-230,407.92-91,511.52

Finding the Fourth Proportional to 166,961.76, 230,407.92 and 91,511.52

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Solution

The fourth proportional to 166,961.76, 230,407.92 and 91,511.52 is: 126,286.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,961.76 : 230,407.92 = 91,511.52 : x
  2. Step 2: Convert to fraction form
    166,961.76/230,407.92 = 91,511.52/x
  3. Step 3: Cross multiply
    166,961.76x = 230,407.92 × 91,511.52
  4. Step 4: Simplify right side
    166,961.76x = 21,084,978,979.24
  5. Step 5: Solve for x
    x = 21,084,978,979.24/166,961.76
  6. Step 6: Final answer
    x = 126,286.28

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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.