Home / 166,766.38-230,159.91-98,778.04

Finding the Fourth Proportional to 166,766.38, 230,159.91 and 98,778.04

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Solution

The fourth proportional to 166,766.38, 230,159.91 and 98,778.04 is: 136,326.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,766.38 : 230,159.91 = 98,778.04 : x
  2. Step 2: Convert to fraction form
    166,766.38/230,159.91 = 98,778.04/x
  3. Step 3: Cross multiply
    166,766.38x = 230,159.91 × 98,778.04
  4. Step 4: Simplify right side
    166,766.38x = 22,734,744,796.38
  5. Step 5: Solve for x
    x = 22,734,744,796.38/166,766.38
  6. Step 6: Final answer
    x = 136,326.91

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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.