Home / 327,906.10-491,933.18-100,222.39

Finding the Fourth Proportional to 327,906.10, 491,933.18 and 100,222.39

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Solution

The fourth proportional to 327,906.10, 491,933.18 and 100,222.39 is: 150,356.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,906.10 : 491,933.18 = 100,222.39 : x
  2. Step 2: Convert to fraction form
    327,906.10/491,933.18 = 100,222.39/x
  3. Step 3: Cross multiply
    327,906.10x = 491,933.18 × 100,222.39
  4. Step 4: Simplify right side
    327,906.10x = 49,302,719,019.90
  5. Step 5: Solve for x
    x = 49,302,719,019.90/327,906.10
  6. Step 6: Final answer
    x = 150,356.21

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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.