Home / 327,727.13-491,687.90-103,118.59

Finding the Fourth Proportional to 327,727.13, 491,687.90 and 103,118.59

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Solution

The fourth proportional to 327,727.13, 491,687.90 and 103,118.59 is: 154,708.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,727.13 : 491,687.90 = 103,118.59 : x
  2. Step 2: Convert to fraction form
    327,727.13/491,687.90 = 103,118.59/x
  3. Step 3: Cross multiply
    327,727.13x = 491,687.90 × 103,118.59
  4. Step 4: Simplify right side
    327,727.13x = 50,702,162,968.06
  5. Step 5: Solve for x
    x = 50,702,162,968.06/327,727.13
  6. Step 6: Final answer
    x = 154,708.47

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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.