Home / 327,635.80-491,476.02-111,406.48

Finding the Fourth Proportional to 327,635.80, 491,476.02 and 111,406.48

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Solution

The fourth proportional to 327,635.80, 491,476.02 and 111,406.48 is: 167,117.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,635.80 : 491,476.02 = 111,406.48 : x
  2. Step 2: Convert to fraction form
    327,635.80/491,476.02 = 111,406.48/x
  3. Step 3: Cross multiply
    327,635.80x = 491,476.02 × 111,406.48
  4. Step 4: Simplify right side
    327,635.80x = 54,753,613,392.61
  5. Step 5: Solve for x
    x = 54,753,613,392.61/327,635.80
  6. Step 6: Final answer
    x = 167,117.31

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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.