Home / 124,933.20-187,399.80-82,942.80

Finding the Fourth Proportional to 124,933.20, 187,399.80 and 82,942.80

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Solution

The fourth proportional to 124,933.20, 187,399.80 and 82,942.80 is: 124,414.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,933.20 : 187,399.80 = 82,942.80 : x
  2. Step 2: Convert to fraction form
    124,933.20/187,399.80 = 82,942.80/x
  3. Step 3: Cross multiply
    124,933.20x = 187,399.80 × 82,942.80
  4. Step 4: Simplify right side
    124,933.20x = 15,543,464,131.44
  5. Step 5: Solve for x
    x = 15,543,464,131.44/124,933.20
  6. Step 6: Final answer
    x = 124,414.20

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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.