Home / 321,241.06-443,324.10-193,891.78

Finding the Fourth Proportional to 321,241.06, 443,324.10 and 193,891.78

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Solution

The fourth proportional to 321,241.06, 443,324.10 and 193,891.78 is: 267,577.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,241.06 : 443,324.10 = 193,891.78 : x
  2. Step 2: Convert to fraction form
    321,241.06/443,324.10 = 193,891.78/x
  3. Step 3: Cross multiply
    321,241.06x = 443,324.10 × 193,891.78
  4. Step 4: Simplify right side
    321,241.06x = 85,956,898,865.90
  5. Step 5: Solve for x
    x = 85,956,898,865.90/321,241.06
  6. Step 6: Final answer
    x = 267,577.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.