Home / 204,949.70-307,424.55-144,815.30

Finding the Fourth Proportional to 204,949.70, 307,424.55 and 144,815.30

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Solution

The fourth proportional to 204,949.70, 307,424.55 and 144,815.30 is: 217,222.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,949.70 : 307,424.55 = 144,815.30 : x
  2. Step 2: Convert to fraction form
    204,949.70/307,424.55 = 144,815.30/x
  3. Step 3: Cross multiply
    204,949.70x = 307,424.55 × 144,815.30
  4. Step 4: Simplify right side
    204,949.70x = 44,519,778,435.62
  5. Step 5: Solve for x
    x = 44,519,778,435.62/204,949.70
  6. Step 6: Final answer
    x = 217,222.95

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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.