Home / 204,157.24-281,729.61-112,275.73

Finding the Fourth Proportional to 204,157.24, 281,729.61 and 112,275.73

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Solution

The fourth proportional to 204,157.24, 281,729.61 and 112,275.73 is: 154,936.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,157.24 : 281,729.61 = 112,275.73 : x
  2. Step 2: Convert to fraction form
    204,157.24/281,729.61 = 112,275.73/x
  3. Step 3: Cross multiply
    204,157.24x = 281,729.61 × 112,275.73
  4. Step 4: Simplify right side
    204,157.24x = 31,631,396,921.04
  5. Step 5: Solve for x
    x = 31,631,396,921.04/204,157.24
  6. Step 6: Final answer
    x = 154,936.45

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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.