Home / 198,245.30-273,578.76-107,601.23

Finding the Fourth Proportional to 198,245.30, 273,578.76 and 107,601.23

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Solution

The fourth proportional to 198,245.30, 273,578.76 and 107,601.23 is: 148,489.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,245.30 : 273,578.76 = 107,601.23 : x
  2. Step 2: Convert to fraction form
    198,245.30/273,578.76 = 107,601.23/x
  3. Step 3: Cross multiply
    198,245.30x = 273,578.76 × 107,601.23
  4. Step 4: Simplify right side
    198,245.30x = 29,437,411,761.82
  5. Step 5: Solve for x
    x = 29,437,411,761.82/198,245.30
  6. Step 6: Final answer
    x = 148,489.84

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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.