Home / 126,122.25-173,950.25-80,804.43

Finding the Fourth Proportional to 126,122.25, 173,950.25 and 80,804.43

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Solution

The fourth proportional to 126,122.25, 173,950.25 and 80,804.43 is: 111,447.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,122.25 : 173,950.25 = 80,804.43 : x
  2. Step 2: Convert to fraction form
    126,122.25/173,950.25 = 80,804.43/x
  3. Step 3: Cross multiply
    126,122.25x = 173,950.25 × 80,804.43
  4. Step 4: Simplify right side
    126,122.25x = 14,055,950,395.59
  5. Step 5: Solve for x
    x = 14,055,950,395.59/126,122.25
  6. Step 6: Final answer
    x = 111,447.03

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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.