Home / 198,008.19-273,265.79-113,123.43

Finding the Fourth Proportional to 198,008.19, 273,265.79 and 113,123.43

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Solution

The fourth proportional to 198,008.19, 273,265.79 and 113,123.43 is: 156,118.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,008.19 : 273,265.79 = 113,123.43 : x
  2. Step 2: Convert to fraction form
    198,008.19/273,265.79 = 113,123.43/x
  3. Step 3: Cross multiply
    198,008.19x = 273,265.79 × 113,123.43
  4. Step 4: Simplify right side
    198,008.19x = 30,912,762,900.84
  5. Step 5: Solve for x
    x = 30,912,762,900.84/198,008.19
  6. Step 6: Final answer
    x = 156,118.61

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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.