Home / 198,528.03-273,974.81-113,672.43

Finding the Fourth Proportional to 198,528.03, 273,974.81 and 113,672.43

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Solution

The fourth proportional to 198,528.03, 273,974.81 and 113,672.43 is: 156,871.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,528.03 : 273,974.81 = 113,672.43 : x
  2. Step 2: Convert to fraction form
    198,528.03/273,974.81 = 113,672.43/x
  3. Step 3: Cross multiply
    198,528.03x = 273,974.81 × 113,672.43
  4. Step 4: Simplify right side
    198,528.03x = 31,143,381,843.13
  5. Step 5: Solve for x
    x = 31,143,381,843.13/198,528.03
  6. Step 6: Final answer
    x = 156,871.46

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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.