Home / 327,186.28-490,778.76-90,528.28

Finding the Fourth Proportional to 327,186.28, 490,778.76 and 90,528.28

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Solution

The fourth proportional to 327,186.28, 490,778.76 and 90,528.28 is: 135,792.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,186.28 : 490,778.76 = 90,528.28 : x
  2. Step 2: Convert to fraction form
    327,186.28/490,778.76 = 90,528.28/x
  3. Step 3: Cross multiply
    327,186.28x = 490,778.76 × 90,528.28
  4. Step 4: Simplify right side
    327,186.28x = 44,429,357,003.33
  5. Step 5: Solve for x
    x = 44,429,357,003.33/327,186.28
  6. Step 6: Final answer
    x = 135,792.24

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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.