Home / 274,986.96-379,448.28-167,517.96

Finding the Fourth Proportional to 274,986.96, 379,448.28 and 167,517.96

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Solution

The fourth proportional to 274,986.96, 379,448.28 and 167,517.96 is: 231,154.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,986.96 : 379,448.28 = 167,517.96 : x
  2. Step 2: Convert to fraction form
    274,986.96/379,448.28 = 167,517.96/x
  3. Step 3: Cross multiply
    274,986.96x = 379,448.28 × 167,517.96
  4. Step 4: Simplify right side
    274,986.96x = 63,564,401,791.11
  5. Step 5: Solve for x
    x = 63,564,401,791.11/274,986.96
  6. Step 6: Final answer
    x = 231,154.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.