Home / 197,872.50-273,081.33-108,465.78

Finding the Fourth Proportional to 197,872.50, 273,081.33 and 108,465.78

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Solution

The fourth proportional to 197,872.50, 273,081.33 and 108,465.78 is: 149,692.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,872.50 : 273,081.33 = 108,465.78 : x
  2. Step 2: Convert to fraction form
    197,872.50/273,081.33 = 108,465.78/x
  3. Step 3: Cross multiply
    197,872.50x = 273,081.33 × 108,465.78
  4. Step 4: Simplify right side
    197,872.50x = 29,619,979,461.89
  5. Step 5: Solve for x
    x = 29,619,979,461.89/197,872.50
  6. Step 6: Final answer
    x = 149,692.25

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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.