Home / 327,756.87-491,635.29-117,542.43

Finding the Fourth Proportional to 327,756.87, 491,635.29 and 117,542.43

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Solution

The fourth proportional to 327,756.87, 491,635.29 and 117,542.43 is: 176,313.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,756.87 : 491,635.29 = 117,542.43 : x
  2. Step 2: Convert to fraction form
    327,756.87/491,635.29 = 117,542.43/x
  3. Step 3: Cross multiply
    327,756.87x = 491,635.29 × 117,542.43
  4. Step 4: Simplify right side
    327,756.87x = 57,788,006,660.35
  5. Step 5: Solve for x
    x = 57,788,006,660.35/327,756.87
  6. Step 6: Final answer
    x = 176,313.64

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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.