Home / 106,198.68-159,297.82-31,371.38

Finding the Fourth Proportional to 106,198.68, 159,297.82 and 31,371.38

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Solution

The fourth proportional to 106,198.68, 159,297.82 and 31,371.38 is: 47,057.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,198.68 : 159,297.82 = 31,371.38 : x
  2. Step 2: Convert to fraction form
    106,198.68/159,297.82 = 31,371.38/x
  3. Step 3: Cross multiply
    106,198.68x = 159,297.82 × 31,371.38
  4. Step 4: Simplify right side
    106,198.68x = 4,997,392,444.39
  5. Step 5: Solve for x
    x = 4,997,392,444.39/106,198.68
  6. Step 6: Final answer
    x = 47,057.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.