Home / 268,942.48-371,137.56-148,081.24

Finding the Fourth Proportional to 268,942.48, 371,137.56 and 148,081.24

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Solution

The fourth proportional to 268,942.48, 371,137.56 and 148,081.24 is: 204,350.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,942.48 : 371,137.56 = 148,081.24 : x
  2. Step 2: Convert to fraction form
    268,942.48/371,137.56 = 148,081.24/x
  3. Step 3: Cross multiply
    268,942.48x = 371,137.56 × 148,081.24
  4. Step 4: Simplify right side
    268,942.48x = 54,958,510,095.37
  5. Step 5: Solve for x
    x = 54,958,510,095.37/268,942.48
  6. Step 6: Final answer
    x = 204,350.43

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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.