Home / 327,634.80-491,474.52-111,405.48

Finding the Fourth Proportional to 327,634.80, 491,474.52 and 111,405.48

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Solution

The fourth proportional to 327,634.80, 491,474.52 and 111,405.48 is: 167,115.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,634.80 : 491,474.52 = 111,405.48 : x
  2. Step 2: Convert to fraction form
    327,634.80/491,474.52 = 111,405.48/x
  3. Step 3: Cross multiply
    327,634.80x = 491,474.52 × 111,405.48
  4. Step 4: Simplify right side
    327,634.80x = 54,752,954,808.37
  5. Step 5: Solve for x
    x = 54,752,954,808.37/327,634.80
  6. Step 6: Final answer
    x = 167,115.81

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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.