Home / 198,272.67-273,608.85-107,626.65

Finding the Fourth Proportional to 198,272.67, 273,608.85 and 107,626.65

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Solution

The fourth proportional to 198,272.67, 273,608.85 and 107,626.65 is: 148,520.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,272.67 : 273,608.85 = 107,626.65 : x
  2. Step 2: Convert to fraction form
    198,272.67/273,608.85 = 107,626.65/x
  3. Step 3: Cross multiply
    198,272.67x = 273,608.85 × 107,626.65
  4. Step 4: Simplify right side
    198,272.67x = 29,447,603,935.85
  5. Step 5: Solve for x
    x = 29,447,603,935.85/198,272.67
  6. Step 6: Final answer
    x = 148,520.74

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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.