Home / 327,843.75-491,793.29-91,186.43

Finding the Fourth Proportional to 327,843.75, 491,793.29 and 91,186.43

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Solution

The fourth proportional to 327,843.75, 491,793.29 and 91,186.43 is: 136,787.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,843.75 : 491,793.29 = 91,186.43 : x
  2. Step 2: Convert to fraction form
    327,843.75/491,793.29 = 91,186.43/x
  3. Step 3: Cross multiply
    327,843.75x = 491,793.29 × 91,186.43
  4. Step 4: Simplify right side
    327,843.75x = 44,844,871,498.16
  5. Step 5: Solve for x
    x = 44,844,871,498.16/327,843.75
  6. Step 6: Final answer
    x = 136,787.33

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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.