Home / 198,319.70-273,684.48-107,675.66

Finding the Fourth Proportional to 198,319.70, 273,684.48 and 107,675.66

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Solution

The fourth proportional to 198,319.70, 273,684.48 and 107,675.66 is: 148,594.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,319.70 : 273,684.48 = 107,675.66 : x
  2. Step 2: Convert to fraction form
    198,319.70/273,684.48 = 107,675.66/x
  3. Step 3: Cross multiply
    198,319.70x = 273,684.48 × 107,675.66
  4. Step 4: Simplify right side
    198,319.70x = 29,469,157,015.76
  5. Step 5: Solve for x
    x = 29,469,157,015.76/198,319.70
  6. Step 6: Final answer
    x = 148,594.20

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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.