Home / 198,554.91-274,007.59-107,911.12

Finding the Fourth Proportional to 198,554.91, 274,007.59 and 107,911.12

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Solution

The fourth proportional to 198,554.91, 274,007.59 and 107,911.12 is: 148,918.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,554.91 : 274,007.59 = 107,911.12 : x
  2. Step 2: Convert to fraction form
    198,554.91/274,007.59 = 107,911.12/x
  3. Step 3: Cross multiply
    198,554.91x = 274,007.59 × 107,911.12
  4. Step 4: Simplify right side
    198,554.91x = 29,568,466,091.37
  5. Step 5: Solve for x
    x = 29,568,466,091.37/198,554.91
  6. Step 6: Final answer
    x = 148,918.33

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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.