Home / 198,220.11-273,557.07-112,178.87

Finding the Fourth Proportional to 198,220.11, 273,557.07 and 112,178.87

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Solution

The fourth proportional to 198,220.11, 273,557.07 and 112,178.87 is: 154,814.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,220.11 : 273,557.07 = 112,178.87 : x
  2. Step 2: Convert to fraction form
    198,220.11/273,557.07 = 112,178.87/x
  3. Step 3: Cross multiply
    198,220.11x = 273,557.07 × 112,178.87
  4. Step 4: Simplify right side
    198,220.11x = 30,687,321,625.33
  5. Step 5: Solve for x
    x = 30,687,321,625.33/198,220.11
  6. Step 6: Final answer
    x = 154,814.37

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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.