Home / 199,087.70-274,721.10-122,594.54

Finding the Fourth Proportional to 199,087.70, 274,721.10 and 122,594.54

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Solution

The fourth proportional to 199,087.70, 274,721.10 and 122,594.54 is: 169,168.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,087.70 : 274,721.10 = 122,594.54 : x
  2. Step 2: Convert to fraction form
    199,087.70/274,721.10 = 122,594.54/x
  3. Step 3: Cross multiply
    199,087.70x = 274,721.10 × 122,594.54
  4. Step 4: Simplify right side
    199,087.70x = 33,679,306,882.79
  5. Step 5: Solve for x
    x = 33,679,306,882.79/199,087.70
  6. Step 6: Final answer
    x = 169,168.20

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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.