Home / 199,217.43-274,949.33-131,223.51

Finding the Fourth Proportional to 199,217.43, 274,949.33 and 131,223.51

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Solution

The fourth proportional to 199,217.43, 274,949.33 and 131,223.51 is: 181,107.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,217.43 : 274,949.33 = 131,223.51 : x
  2. Step 2: Convert to fraction form
    199,217.43/274,949.33 = 131,223.51/x
  3. Step 3: Cross multiply
    199,217.43x = 274,949.33 × 131,223.51
  4. Step 4: Simplify right side
    199,217.43x = 36,079,815,498.63
  5. Step 5: Solve for x
    x = 36,079,815,498.63/199,217.43
  6. Step 6: Final answer
    x = 181,107.72

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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.