Home / 204,092.56-281,651.10-112,215.72

Finding the Fourth Proportional to 204,092.56, 281,651.10 and 112,215.72

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Solution

The fourth proportional to 204,092.56, 281,651.10 and 112,215.72 is: 154,859.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,092.56 : 281,651.10 = 112,215.72 : x
  2. Step 2: Convert to fraction form
    204,092.56/281,651.10 = 112,215.72/x
  3. Step 3: Cross multiply
    204,092.56x = 281,651.10 × 112,215.72
  4. Step 4: Simplify right side
    204,092.56x = 31,605,680,975.29
  5. Step 5: Solve for x
    x = 31,605,680,975.29/204,092.56
  6. Step 6: Final answer
    x = 154,859.54

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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.