Home / 198,554.38-274,007.16-107,910.35

Finding the Fourth Proportional to 198,554.38, 274,007.16 and 107,910.35

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Solution

The fourth proportional to 198,554.38, 274,007.16 and 107,910.35 is: 148,917.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,554.38 : 274,007.16 = 107,910.35 : x
  2. Step 2: Convert to fraction form
    198,554.38/274,007.16 = 107,910.35/x
  3. Step 3: Cross multiply
    198,554.38x = 274,007.16 × 107,910.35
  4. Step 4: Simplify right side
    198,554.38x = 29,568,208,538.11
  5. Step 5: Solve for x
    x = 29,568,208,538.11/198,554.38
  6. Step 6: Final answer
    x = 148,917.43

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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.