Home / 204,143.46-281,705.06-113,497.78

Finding the Fourth Proportional to 204,143.46, 281,705.06 and 113,497.78

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Solution

The fourth proportional to 204,143.46, 281,705.06 and 113,497.78 is: 156,619.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,143.46 : 281,705.06 = 113,497.78 : x
  2. Step 2: Convert to fraction form
    204,143.46/281,705.06 = 113,497.78/x
  3. Step 3: Cross multiply
    204,143.46x = 281,705.06 × 113,497.78
  4. Step 4: Simplify right side
    204,143.46x = 31,972,898,924.77
  5. Step 5: Solve for x
    x = 31,972,898,924.77/204,143.46
  6. Step 6: Final answer
    x = 156,619.76

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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.