Home / 327,778.62-491,769.99-117,418.38

Finding the Fourth Proportional to 327,778.62, 491,769.99 and 117,418.38

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Solution

The fourth proportional to 327,778.62, 491,769.99 and 117,418.38 is: 176,164.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,778.62 : 491,769.99 = 117,418.38 : x
  2. Step 2: Convert to fraction form
    327,778.62/491,769.99 = 117,418.38/x
  3. Step 3: Cross multiply
    327,778.62x = 491,769.99 × 117,418.38
  4. Step 4: Simplify right side
    327,778.62x = 57,742,835,558.42
  5. Step 5: Solve for x
    x = 57,742,835,558.42/327,778.62
  6. Step 6: Final answer
    x = 176,164.13

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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.