Home / 199,185.48-274,872.39-108,542.18

Finding the Fourth Proportional to 199,185.48, 274,872.39 and 108,542.18

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Solution

The fourth proportional to 199,185.48, 274,872.39 and 108,542.18 is: 149,786.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,185.48 : 274,872.39 = 108,542.18 : x
  2. Step 2: Convert to fraction form
    199,185.48/274,872.39 = 108,542.18/x
  3. Step 3: Cross multiply
    199,185.48x = 274,872.39 × 108,542.18
  4. Step 4: Simplify right side
    199,185.48x = 29,835,247,166.40
  5. Step 5: Solve for x
    x = 29,835,247,166.40/199,185.48
  6. Step 6: Final answer
    x = 149,786.26

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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.