Home / 327,895.18-491,860.32-103,273.12

Finding the Fourth Proportional to 327,895.18, 491,860.32 and 103,273.12

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Solution

The fourth proportional to 327,895.18, 491,860.32 and 103,273.12 is: 154,915.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,895.18 : 491,860.32 = 103,273.12 : x
  2. Step 2: Convert to fraction form
    327,895.18/491,860.32 = 103,273.12/x
  3. Step 3: Cross multiply
    327,895.18x = 491,860.32 × 103,273.12
  4. Step 4: Simplify right side
    327,895.18x = 50,795,949,850.60
  5. Step 5: Solve for x
    x = 50,795,949,850.60/327,895.18
  6. Step 6: Final answer
    x = 154,915.21

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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.