Home / 327,837.24-491,658.66-140,805

Finding the Fourth Proportional to 327,837.24, 491,658.66 and 140,805

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Solution

The fourth proportional to 327,837.24, 491,658.66 and 140,805 is: 211,165.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,837.24 : 491,658.66 = 140,805 : x
  2. Step 2: Convert to fraction form
    327,837.24/491,658.66 = 140,805/x
  3. Step 3: Cross multiply
    327,837.24x = 491,658.66 × 140,805
  4. Step 4: Simplify right side
    327,837.24x = 69,227,997,621.30
  5. Step 5: Solve for x
    x = 69,227,997,621.30/327,837.24
  6. Step 6: Final answer
    x = 211,165.75

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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.