Home / 199,178.94-274,863.36-108,535.68

Finding the Fourth Proportional to 199,178.94, 274,863.36 and 108,535.68

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Solution

The fourth proportional to 199,178.94, 274,863.36 and 108,535.68 is: 149,777.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,178.94 : 274,863.36 = 108,535.68 : x
  2. Step 2: Convert to fraction form
    199,178.94/274,863.36 = 108,535.68/x
  3. Step 3: Cross multiply
    199,178.94x = 274,863.36 × 108,535.68
  4. Step 4: Simplify right side
    199,178.94x = 29,832,481,684.68
  5. Step 5: Solve for x
    x = 29,832,481,684.68/199,178.94
  6. Step 6: Final answer
    x = 149,777.29

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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.