Home / 199,019.76-274,654.06-108,377.28

Finding the Fourth Proportional to 199,019.76, 274,654.06 and 108,377.28

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Solution

The fourth proportional to 199,019.76, 274,654.06 and 108,377.28 is: 149,564.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,019.76 : 274,654.06 = 108,377.28 : x
  2. Step 2: Convert to fraction form
    199,019.76/274,654.06 = 108,377.28/x
  3. Step 3: Cross multiply
    199,019.76x = 274,654.06 × 108,377.28
  4. Step 4: Simplify right side
    199,019.76x = 29,766,259,963.76
  5. Step 5: Solve for x
    x = 29,766,259,963.76/199,019.76
  6. Step 6: Final answer
    x = 149,564.34

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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.