Home / 204,586.43-282,318.17-112,687.83

Finding the Fourth Proportional to 204,586.43, 282,318.17 and 112,687.83

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Solution

The fourth proportional to 204,586.43, 282,318.17 and 112,687.83 is: 155,503.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,586.43 : 282,318.17 = 112,687.83 : x
  2. Step 2: Convert to fraction form
    204,586.43/282,318.17 = 112,687.83/x
  3. Step 3: Cross multiply
    204,586.43x = 282,318.17 × 112,687.83
  4. Step 4: Simplify right side
    204,586.43x = 31,813,821,383.43
  5. Step 5: Solve for x
    x = 31,813,821,383.43/204,586.43
  6. Step 6: Final answer
    x = 155,503.09

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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.