Home / 327,190.43-490,796.58-90,513.29

Finding the Fourth Proportional to 327,190.43, 490,796.58 and 90,513.29

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Solution

The fourth proportional to 327,190.43, 490,796.58 and 90,513.29 is: 135,772.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,190.43 : 490,796.58 = 90,513.29 : x
  2. Step 2: Convert to fraction form
    327,190.43/490,796.58 = 90,513.29/x
  3. Step 3: Cross multiply
    327,190.43x = 490,796.58 × 90,513.29
  4. Step 4: Simplify right side
    327,190.43x = 44,423,613,176.55
  5. Step 5: Solve for x
    x = 44,423,613,176.55/327,190.43
  6. Step 6: Final answer
    x = 135,772.96

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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.