Home / 198,221.58-273,545.97-107,577.57

Finding the Fourth Proportional to 198,221.58, 273,545.97 and 107,577.57

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Solution

The fourth proportional to 198,221.58, 273,545.97 and 107,577.57 is: 148,457.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,221.58 : 273,545.97 = 107,577.57 : x
  2. Step 2: Convert to fraction form
    198,221.58/273,545.97 = 107,577.57/x
  3. Step 3: Cross multiply
    198,221.58x = 273,545.97 × 107,577.57
  4. Step 4: Simplify right side
    198,221.58x = 29,427,410,735.89
  5. Step 5: Solve for x
    x = 29,427,410,735.89/198,221.58
  6. Step 6: Final answer
    x = 148,457.15

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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.