Home / 327,991.41-491,564.70-159,185.06

Finding the Fourth Proportional to 327,991.41, 491,564.70 and 159,185.06

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Solution

The fourth proportional to 327,991.41, 491,564.70 and 159,185.06 is: 238,572.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,991.41 : 491,564.70 = 159,185.06 : x
  2. Step 2: Convert to fraction form
    327,991.41/491,564.70 = 159,185.06/x
  3. Step 3: Cross multiply
    327,991.41x = 491,564.70 × 159,185.06
  4. Step 4: Simplify right side
    327,991.41x = 78,249,753,805.56
  5. Step 5: Solve for x
    x = 78,249,753,805.56/327,991.41
  6. Step 6: Final answer
    x = 238,572.57

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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.