Home / 327,190.39-490,796.52-90,513.25

Finding the Fourth Proportional to 327,190.39, 490,796.52 and 90,513.25

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Solution

The fourth proportional to 327,190.39, 490,796.52 and 90,513.25 is: 135,772.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,190.39 : 490,796.52 = 90,513.25 : x
  2. Step 2: Convert to fraction form
    327,190.39/490,796.52 = 90,513.25/x
  3. Step 3: Cross multiply
    327,190.39x = 490,796.52 × 90,513.25
  4. Step 4: Simplify right side
    327,190.39x = 44,423,589,066.81
  5. Step 5: Solve for x
    x = 44,423,589,066.81/327,190.39
  6. Step 6: Final answer
    x = 135,772.90

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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.