Home / 219,105.66-328,786.96-92,738.04

Finding the Fourth Proportional to 219,105.66, 328,786.96 and 92,738.04

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Solution

The fourth proportional to 219,105.66, 328,786.96 and 92,738.04 is: 139,161.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,105.66 : 328,786.96 = 92,738.04 : x
  2. Step 2: Convert to fraction form
    219,105.66/328,786.96 = 92,738.04/x
  3. Step 3: Cross multiply
    219,105.66x = 328,786.96 × 92,738.04
  4. Step 4: Simplify right side
    219,105.66x = 30,491,058,247.96
  5. Step 5: Solve for x
    x = 30,491,058,247.96/219,105.66
  6. Step 6: Final answer
    x = 139,161.44

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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.