Home / 198,272.80-273,616.82-107,628.83

Finding the Fourth Proportional to 198,272.80, 273,616.82 and 107,628.83

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Solution

The fourth proportional to 198,272.80, 273,616.82 and 107,628.83 is: 148,527.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,272.80 : 273,616.82 = 107,628.83 : x
  2. Step 2: Convert to fraction form
    198,272.80/273,616.82 = 107,628.83/x
  3. Step 3: Cross multiply
    198,272.80x = 273,616.82 × 107,628.83
  4. Step 4: Simplify right side
    198,272.80x = 29,449,057,666.78
  5. Step 5: Solve for x
    x = 29,449,057,666.78/198,272.80
  6. Step 6: Final answer
    x = 148,527.98

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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.