Home / 268,949.07-371,144.73-148,087.71

Finding the Fourth Proportional to 268,949.07, 371,144.73 and 148,087.71

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Solution

The fourth proportional to 268,949.07, 371,144.73 and 148,087.71 is: 204,358.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,949.07 : 371,144.73 = 148,087.71 : x
  2. Step 2: Convert to fraction form
    268,949.07/371,144.73 = 148,087.71/x
  3. Step 3: Cross multiply
    268,949.07x = 371,144.73 × 148,087.71
  4. Step 4: Simplify right side
    268,949.07x = 54,961,973,144.27
  5. Step 5: Solve for x
    x = 54,961,973,144.27/268,949.07
  6. Step 6: Final answer
    x = 204,358.29

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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.