Home / 327,893.18-491,857.32-103,271.12

Finding the Fourth Proportional to 327,893.18, 491,857.32 and 103,271.12

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Solution

The fourth proportional to 327,893.18, 491,857.32 and 103,271.12 is: 154,912.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,893.18 : 491,857.32 = 103,271.12 : x
  2. Step 2: Convert to fraction form
    327,893.18/491,857.32 = 103,271.12/x
  3. Step 3: Cross multiply
    327,893.18x = 491,857.32 × 103,271.12
  4. Step 4: Simplify right side
    327,893.18x = 50,794,656,316.60
  5. Step 5: Solve for x
    x = 50,794,656,316.60/327,893.18
  6. Step 6: Final answer
    x = 154,912.21

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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.