Home / 159,976.70-220,766.52-88,361.66

Finding the Fourth Proportional to 159,976.70, 220,766.52 and 88,361.66

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Solution

The fourth proportional to 159,976.70, 220,766.52 and 88,361.66 is: 121,938.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,976.70 : 220,766.52 = 88,361.66 : x
  2. Step 2: Convert to fraction form
    159,976.70/220,766.52 = 88,361.66/x
  3. Step 3: Cross multiply
    159,976.70x = 220,766.52 × 88,361.66
  4. Step 4: Simplify right side
    159,976.70x = 19,507,296,179.62
  5. Step 5: Solve for x
    x = 19,507,296,179.62/159,976.70
  6. Step 6: Final answer
    x = 121,938.36

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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.