Home / 327,894.18-491,858.82-103,272.12

Finding the Fourth Proportional to 327,894.18, 491,858.82 and 103,272.12

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Solution

The fourth proportional to 327,894.18, 491,858.82 and 103,272.12 is: 154,913.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,894.18 : 491,858.82 = 103,272.12 : x
  2. Step 2: Convert to fraction form
    327,894.18/491,858.82 = 103,272.12/x
  3. Step 3: Cross multiply
    327,894.18x = 491,858.82 × 103,272.12
  4. Step 4: Simplify right side
    327,894.18x = 50,795,303,082.10
  5. Step 5: Solve for x
    x = 50,795,303,082.10/327,894.18
  6. Step 6: Final answer
    x = 154,913.71

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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.