Home / 216,443.24-298,691.19-120,949.94

Finding the Fourth Proportional to 216,443.24, 298,691.19 and 120,949.94

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Solution

The fourth proportional to 216,443.24, 298,691.19 and 120,949.94 is: 166,910.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,443.24 : 298,691.19 = 120,949.94 : x
  2. Step 2: Convert to fraction form
    216,443.24/298,691.19 = 120,949.94/x
  3. Step 3: Cross multiply
    216,443.24x = 298,691.19 × 120,949.94
  4. Step 4: Simplify right side
    216,443.24x = 36,126,682,255.76
  5. Step 5: Solve for x
    x = 36,126,682,255.76/216,443.24
  6. Step 6: Final answer
    x = 166,910.65

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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.