Home / 219,205.44-328,613.76-106,822.80

Finding the Fourth Proportional to 219,205.44, 328,613.76 and 106,822.80

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Solution

The fourth proportional to 219,205.44, 328,613.76 and 106,822.80 is: 160,139.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,205.44 : 328,613.76 = 106,822.80 : x
  2. Step 2: Convert to fraction form
    219,205.44/328,613.76 = 106,822.80/x
  3. Step 3: Cross multiply
    219,205.44x = 328,613.76 × 106,822.80
  4. Step 4: Simplify right side
    219,205.44x = 35,103,441,961.73
  5. Step 5: Solve for x
    x = 35,103,441,961.73/219,205.44
  6. Step 6: Final answer
    x = 160,139.47

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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.