Home / 225,942.50-338,677.22-76,131.02

Finding the Fourth Proportional to 225,942.50, 338,677.22 and 76,131.02

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Solution

The fourth proportional to 225,942.50, 338,677.22 and 76,131.02 is: 114,116.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,942.50 : 338,677.22 = 76,131.02 : x
  2. Step 2: Convert to fraction form
    225,942.50/338,677.22 = 76,131.02/x
  3. Step 3: Cross multiply
    225,942.50x = 338,677.22 × 76,131.02
  4. Step 4: Simplify right side
    225,942.50x = 25,783,840,135.32
  5. Step 5: Solve for x
    x = 25,783,840,135.32/225,942.50
  6. Step 6: Final answer
    x = 114,116.82

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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.