Home / 269,078.09-371,344.68-148,219.29

Finding the Fourth Proportional to 269,078.09, 371,344.68 and 148,219.29

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Solution

The fourth proportional to 269,078.09, 371,344.68 and 148,219.29 is: 204,551.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,078.09 : 371,344.68 = 148,219.29 : x
  2. Step 2: Convert to fraction form
    269,078.09/371,344.68 = 148,219.29/x
  3. Step 3: Cross multiply
    269,078.09x = 371,344.68 × 148,219.29
  4. Step 4: Simplify right side
    269,078.09x = 55,040,444,814.88
  5. Step 5: Solve for x
    x = 55,040,444,814.88/269,078.09
  6. Step 6: Final answer
    x = 204,551.94

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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.