Home / 199,028.40-274,658.76-108,382.92

Finding the Fourth Proportional to 199,028.40, 274,658.76 and 108,382.92

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Solution

The fourth proportional to 199,028.40, 274,658.76 and 108,382.92 is: 149,568.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,028.40 : 274,658.76 = 108,382.92 : x
  2. Step 2: Convert to fraction form
    199,028.40/274,658.76 = 108,382.92/x
  3. Step 3: Cross multiply
    199,028.40x = 274,658.76 × 108,382.92
  4. Step 4: Simplify right side
    199,028.40x = 29,768,318,412.38
  5. Step 5: Solve for x
    x = 29,768,318,412.38/199,028.40
  6. Step 6: Final answer
    x = 149,568.19

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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.