Home / 269,236.12-371,548.38-148,381.76

Finding the Fourth Proportional to 269,236.12, 371,548.38 and 148,381.76

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Solution

The fourth proportional to 269,236.12, 371,548.38 and 148,381.76 is: 204,768.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,236.12 : 371,548.38 = 148,381.76 : x
  2. Step 2: Convert to fraction form
    269,236.12/371,548.38 = 148,381.76/x
  3. Step 3: Cross multiply
    269,236.12x = 371,548.38 × 148,381.76
  4. Step 4: Simplify right side
    269,236.12x = 55,131,002,549.55
  5. Step 5: Solve for x
    x = 55,131,002,549.55/269,236.12
  6. Step 6: Final answer
    x = 204,768.23

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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.