Home / 327,082.07-490,813.43-137,528.70

Finding the Fourth Proportional to 327,082.07, 490,813.43 and 137,528.70

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Solution

The fourth proportional to 327,082.07, 490,813.43 and 137,528.70 is: 206,373.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,082.07 : 490,813.43 = 137,528.70 : x
  2. Step 2: Convert to fraction form
    327,082.07/490,813.43 = 137,528.70/x
  3. Step 3: Cross multiply
    327,082.07x = 490,813.43 × 137,528.70
  4. Step 4: Simplify right side
    327,082.07x = 67,500,932,282.80
  5. Step 5: Solve for x
    x = 67,500,932,282.80/327,082.07
  6. Step 6: Final answer
    x = 206,373.08

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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.