Home / 327,919.03-491,947.67-106,285.75

Finding the Fourth Proportional to 327,919.03, 491,947.67 and 106,285.75

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Solution

The fourth proportional to 327,919.03, 491,947.67 and 106,285.75 is: 159,451.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,919.03 : 491,947.67 = 106,285.75 : x
  2. Step 2: Convert to fraction form
    327,919.03/491,947.67 = 106,285.75/x
  3. Step 3: Cross multiply
    327,919.03x = 491,947.67 × 106,285.75
  4. Step 4: Simplify right side
    327,919.03x = 52,287,027,066.70
  5. Step 5: Solve for x
    x = 52,287,027,066.70/327,919.03
  6. Step 6: Final answer
    x = 159,451.03

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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.