Home / 327,724.48-491,613.42-91,067.20

Finding the Fourth Proportional to 327,724.48, 491,613.42 and 91,067.20

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Solution

The fourth proportional to 327,724.48, 491,613.42 and 91,067.20 is: 136,608.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,724.48 : 491,613.42 = 91,067.20 : x
  2. Step 2: Convert to fraction form
    327,724.48/491,613.42 = 91,067.20/x
  3. Step 3: Cross multiply
    327,724.48x = 491,613.42 × 91,067.20
  4. Step 4: Simplify right side
    327,724.48x = 44,769,857,641.82
  5. Step 5: Solve for x
    x = 44,769,857,641.82/327,724.48
  6. Step 6: Final answer
    x = 136,608.22

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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.