Home / 106,974.36-147,591.32-71,170.43

Finding the Fourth Proportional to 106,974.36, 147,591.32 and 71,170.43

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Solution

The fourth proportional to 106,974.36, 147,591.32 and 71,170.43 is: 98,193.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,974.36 : 147,591.32 = 71,170.43 : x
  2. Step 2: Convert to fraction form
    106,974.36/147,591.32 = 71,170.43/x
  3. Step 3: Cross multiply
    106,974.36x = 147,591.32 × 71,170.43
  4. Step 4: Simplify right side
    106,974.36x = 10,504,136,614.86
  5. Step 5: Solve for x
    x = 10,504,136,614.86/106,974.36
  6. Step 6: Final answer
    x = 98,193.03

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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.