Home / 198,901.33-274,490.56-108,260.58

Finding the Fourth Proportional to 198,901.33, 274,490.56 and 108,260.58

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Solution

The fourth proportional to 198,901.33, 274,490.56 and 108,260.58 is: 149,403.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,901.33 : 274,490.56 = 108,260.58 : x
  2. Step 2: Convert to fraction form
    198,901.33/274,490.56 = 108,260.58/x
  3. Step 3: Cross multiply
    198,901.33x = 274,490.56 × 108,260.58
  4. Step 4: Simplify right side
    198,901.33x = 29,716,507,230.12
  5. Step 5: Solve for x
    x = 29,716,507,230.12/198,901.33
  6. Step 6: Final answer
    x = 149,403.26

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1.5x scale

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.