Home / 327,537.20-491,250.84-90,903.92

Finding the Fourth Proportional to 327,537.20, 491,250.84 and 90,903.92

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Solution

The fourth proportional to 327,537.20, 491,250.84 and 90,903.92 is: 136,340.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,537.20 : 491,250.84 = 90,903.92 : x
  2. Step 2: Convert to fraction form
    327,537.20/491,250.84 = 90,903.92/x
  3. Step 3: Cross multiply
    327,537.20x = 491,250.84 × 90,903.92
  4. Step 4: Simplify right side
    327,537.20x = 44,656,627,059.29
  5. Step 5: Solve for x
    x = 44,656,627,059.29/327,537.20
  6. Step 6: Final answer
    x = 136,340.63

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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.