Home / 159,905.44-220,661.62-91,874.25

Finding the Fourth Proportional to 159,905.44, 220,661.62 and 91,874.25

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Solution

The fourth proportional to 159,905.44, 220,661.62 and 91,874.25 is: 126,781.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,905.44 : 220,661.62 = 91,874.25 : x
  2. Step 2: Convert to fraction form
    159,905.44/220,661.62 = 91,874.25/x
  3. Step 3: Cross multiply
    159,905.44x = 220,661.62 × 91,874.25
  4. Step 4: Simplify right side
    159,905.44x = 20,273,120,611.60
  5. Step 5: Solve for x
    x = 20,273,120,611.60/159,905.44
  6. Step 6: Final answer
    x = 126,781.93

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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.