Home / 179,020.98-268,531.44-85,242.42

Finding the Fourth Proportional to 179,020.98, 268,531.44 and 85,242.42

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Solution

The fourth proportional to 179,020.98, 268,531.44 and 85,242.42 is: 127,863.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,020.98 : 268,531.44 = 85,242.42 : x
  2. Step 2: Convert to fraction form
    179,020.98/268,531.44 = 85,242.42/x
  3. Step 3: Cross multiply
    179,020.98x = 268,531.44 × 85,242.42
  4. Step 4: Simplify right side
    179,020.98x = 22,890,269,791.68
  5. Step 5: Solve for x
    x = 22,890,269,791.68/179,020.98
  6. Step 6: Final answer
    x = 127,863.62

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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.