Home / 327,490.36-491,252.82-105,891.64

Finding the Fourth Proportional to 327,490.36, 491,252.82 and 105,891.64

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Solution

The fourth proportional to 327,490.36, 491,252.82 and 105,891.64 is: 158,843.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,490.36 : 491,252.82 = 105,891.64 : x
  2. Step 2: Convert to fraction form
    327,490.36/491,252.82 = 105,891.64/x
  3. Step 3: Cross multiply
    327,490.36x = 491,252.82 × 105,891.64
  4. Step 4: Simplify right side
    327,490.36x = 52,019,566,764.42
  5. Step 5: Solve for x
    x = 52,019,566,764.42/327,490.36
  6. Step 6: Final answer
    x = 158,843.05

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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.