Home / 327,205.72-490,819.46-90,528.56

Finding the Fourth Proportional to 327,205.72, 490,819.46 and 90,528.56

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Solution

The fourth proportional to 327,205.72, 490,819.46 and 90,528.56 is: 135,795.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,205.72 : 490,819.46 = 90,528.56 : x
  2. Step 2: Convert to fraction form
    327,205.72/490,819.46 = 90,528.56/x
  3. Step 3: Cross multiply
    327,205.72x = 490,819.46 × 90,528.56
  4. Step 4: Simplify right side
    327,205.72x = 44,433,178,933.78
  5. Step 5: Solve for x
    x = 44,433,178,933.78/327,205.72
  6. Step 6: Final answer
    x = 135,795.85

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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.