Home / 327,847.12-491,798.52-91,189.82

Finding the Fourth Proportional to 327,847.12, 491,798.52 and 91,189.82

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Solution

The fourth proportional to 327,847.12, 491,798.52 and 91,189.82 is: 136,792.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,847.12 : 491,798.52 = 91,189.82 : x
  2. Step 2: Convert to fraction form
    327,847.12/491,798.52 = 91,189.82/x
  3. Step 3: Cross multiply
    327,847.12x = 491,798.52 × 91,189.82
  4. Step 4: Simplify right side
    327,847.12x = 44,847,019,744.56
  5. Step 5: Solve for x
    x = 44,847,019,744.56/327,847.12
  6. Step 6: Final answer
    x = 136,792.48

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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.