Home / 146,910.25-220,427.73-80,272.54

Finding the Fourth Proportional to 146,910.25, 220,427.73 and 80,272.54

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Solution

The fourth proportional to 146,910.25, 220,427.73 and 80,272.54 is: 120,442.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,910.25 : 220,427.73 = 80,272.54 : x
  2. Step 2: Convert to fraction form
    146,910.25/220,427.73 = 80,272.54/x
  3. Step 3: Cross multiply
    146,910.25x = 220,427.73 × 80,272.54
  4. Step 4: Simplify right side
    146,910.25x = 17,694,293,773.53
  5. Step 5: Solve for x
    x = 17,694,293,773.53/146,910.25
  6. Step 6: Final answer
    x = 120,442.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.