Home / 198,392.40-273,781.44-107,748.24

Finding the Fourth Proportional to 198,392.40, 273,781.44 and 107,748.24

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Solution

The fourth proportional to 198,392.40, 273,781.44 and 107,748.24 is: 148,692.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,392.40 : 273,781.44 = 107,748.24 : x
  2. Step 2: Convert to fraction form
    198,392.40/273,781.44 = 107,748.24/x
  3. Step 3: Cross multiply
    198,392.40x = 273,781.44 × 107,748.24
  4. Step 4: Simplify right side
    198,392.40x = 29,499,468,304.67
  5. Step 5: Solve for x
    x = 29,499,468,304.67/198,392.40
  6. Step 6: Final answer
    x = 148,692.53

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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.