Home / 198,314.80-273,443.20-147,926.32

Finding the Fourth Proportional to 198,314.80, 273,443.20 and 147,926.32

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Solution

The fourth proportional to 198,314.80, 273,443.20 and 147,926.32 is: 203,965.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,314.80 : 273,443.20 = 147,926.32 : x
  2. Step 2: Convert to fraction form
    198,314.80/273,443.20 = 147,926.32/x
  3. Step 3: Cross multiply
    198,314.80x = 273,443.20 × 147,926.32
  4. Step 4: Simplify right side
    198,314.80x = 40,449,446,305.02
  5. Step 5: Solve for x
    x = 40,449,446,305.02/198,314.80
  6. Step 6: Final answer
    x = 203,965.85

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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.