Home / 204,869.72-282,721.66-114,231.62

Finding the Fourth Proportional to 204,869.72, 282,721.66 and 114,231.62

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Solution

The fourth proportional to 204,869.72, 282,721.66 and 114,231.62 is: 157,640.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,869.72 : 282,721.66 = 114,231.62 : x
  2. Step 2: Convert to fraction form
    204,869.72/282,721.66 = 114,231.62/x
  3. Step 3: Cross multiply
    204,869.72x = 282,721.66 × 114,231.62
  4. Step 4: Simplify right side
    204,869.72x = 32,295,753,230.89
  5. Step 5: Solve for x
    x = 32,295,753,230.89/204,869.72
  6. Step 6: Final answer
    x = 157,640.44

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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.