Home / 204,588.43-282,320.92-112,689.83

Finding the Fourth Proportional to 204,588.43, 282,320.92 and 112,689.83

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Solution

The fourth proportional to 204,588.43, 282,320.92 and 112,689.83 is: 155,505.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,588.43 : 282,320.92 = 112,689.83 : x
  2. Step 2: Convert to fraction form
    204,588.43/282,320.92 = 112,689.83/x
  3. Step 3: Cross multiply
    204,588.43x = 282,320.92 × 112,689.83
  4. Step 4: Simplify right side
    204,588.43x = 31,814,696,480.24
  5. Step 5: Solve for x
    x = 31,814,696,480.24/204,588.43
  6. Step 6: Final answer
    x = 155,505.84

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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.