Home / 209,865.20-289,614.19-114,371.97

Finding the Fourth Proportional to 209,865.20, 289,614.19 and 114,371.97

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Solution

The fourth proportional to 209,865.20, 289,614.19 and 114,371.97 is: 157,833.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,865.20 : 289,614.19 = 114,371.97 : x
  2. Step 2: Convert to fraction form
    209,865.20/289,614.19 = 114,371.97/x
  3. Step 3: Cross multiply
    209,865.20x = 289,614.19 × 114,371.97
  4. Step 4: Simplify right side
    209,865.20x = 33,123,745,450.25
  5. Step 5: Solve for x
    x = 33,123,745,450.25/209,865.20
  6. Step 6: Final answer
    x = 157,833.44

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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.