Home / 269,150.91-371,436.68-154,450.56

Finding the Fourth Proportional to 269,150.91, 371,436.68 and 154,450.56

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Solution

The fourth proportional to 269,150.91, 371,436.68 and 154,450.56 is: 213,146.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,150.91 : 371,436.68 = 154,450.56 : x
  2. Step 2: Convert to fraction form
    269,150.91/371,436.68 = 154,450.56/x
  3. Step 3: Cross multiply
    269,150.91x = 371,436.68 × 154,450.56
  4. Step 4: Simplify right side
    269,150.91x = 57,368,603,616.67
  5. Step 5: Solve for x
    x = 57,368,603,616.67/269,150.91
  6. Step 6: Final answer
    x = 213,146.61

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1.5x scale

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.