Home / 327,523.20-491,285.04-90,866.10

Finding the Fourth Proportional to 327,523.20, 491,285.04 and 90,866.10

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Solution

The fourth proportional to 327,523.20, 491,285.04 and 90,866.10 is: 136,299.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,523.20 : 491,285.04 = 90,866.10 : x
  2. Step 2: Convert to fraction form
    327,523.20/491,285.04 = 90,866.10/x
  3. Step 3: Cross multiply
    327,523.20x = 491,285.04 × 90,866.10
  4. Step 4: Simplify right side
    327,523.20x = 44,641,155,573.14
  5. Step 5: Solve for x
    x = 44,641,155,573.14/327,523.20
  6. Step 6: Final answer
    x = 136,299.22

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1.5x scale

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.