Home / 327,132.60-490,986.90-193,846.20

Finding the Fourth Proportional to 327,132.60, 490,986.90 and 193,846.20

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Solution

The fourth proportional to 327,132.60, 490,986.90 and 193,846.20 is: 290,939.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,132.60 : 490,986.90 = 193,846.20 : x
  2. Step 2: Convert to fraction form
    327,132.60/490,986.90 = 193,846.20/x
  3. Step 3: Cross multiply
    327,132.60x = 490,986.90 × 193,846.20
  4. Step 4: Simplify right side
    327,132.60x = 95,175,944,814.78
  5. Step 5: Solve for x
    x = 95,175,944,814.78/327,132.60
  6. Step 6: Final answer
    x = 290,939.96

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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.