Home / 198,792.36-274,331.34-108,150.12

Finding the Fourth Proportional to 198,792.36, 274,331.34 and 108,150.12

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Solution

The fourth proportional to 198,792.36, 274,331.34 and 108,150.12 is: 149,246.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,792.36 : 274,331.34 = 108,150.12 : x
  2. Step 2: Convert to fraction form
    198,792.36/274,331.34 = 108,150.12/x
  3. Step 3: Cross multiply
    198,792.36x = 274,331.34 × 108,150.12
  4. Step 4: Simplify right side
    198,792.36x = 29,668,967,340.76
  5. Step 5: Solve for x
    x = 29,668,967,340.76/198,792.36
  6. Step 6: Final answer
    x = 149,246.01

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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.