Home / 327,616.74-491,386.14-192,761.46

Finding the Fourth Proportional to 327,616.74, 491,386.14 and 192,761.46

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Solution

The fourth proportional to 327,616.74, 491,386.14 and 192,761.46 is: 289,119.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,616.74 : 491,386.14 = 192,761.46 : x
  2. Step 2: Convert to fraction form
    327,616.74/491,386.14 = 192,761.46/x
  3. Step 3: Cross multiply
    327,616.74x = 491,386.14 × 192,761.46
  4. Step 4: Simplify right side
    327,616.74x = 94,720,309,770.16
  5. Step 5: Solve for x
    x = 94,720,309,770.16/327,616.74
  6. Step 6: Final answer
    x = 289,119.26

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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.