Home / 148,183.50-204,491.58-80,198.94

Finding the Fourth Proportional to 148,183.50, 204,491.58 and 80,198.94

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Solution

The fourth proportional to 148,183.50, 204,491.58 and 80,198.94 is: 110,673.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,183.50 : 204,491.58 = 80,198.94 : x
  2. Step 2: Convert to fraction form
    148,183.50/204,491.58 = 80,198.94/x
  3. Step 3: Cross multiply
    148,183.50x = 204,491.58 × 80,198.94
  4. Step 4: Simplify right side
    148,183.50x = 16,400,007,954.93
  5. Step 5: Solve for x
    x = 16,400,007,954.93/148,183.50
  6. Step 6: Final answer
    x = 110,673.64

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1.5x scale

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.