Home / 451,845.40-677,549.22-136,243.48

Finding the Fourth Proportional to 451,845.40, 677,549.22 and 136,243.48

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Solution

The fourth proportional to 451,845.40, 677,549.22 and 136,243.48 is: 204,299.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,845.40 : 677,549.22 = 136,243.48 : x
  2. Step 2: Convert to fraction form
    451,845.40/677,549.22 = 136,243.48/x
  3. Step 3: Cross multiply
    451,845.40x = 677,549.22 × 136,243.48
  4. Step 4: Simplify right side
    451,845.40x = 92,311,663,604.09
  5. Step 5: Solve for x
    x = 92,311,663,604.09/451,845.40
  6. Step 6: Final answer
    x = 204,299.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.