Home / 144,338.50-199,183.71-80,682.22

Finding the Fourth Proportional to 144,338.50, 199,183.71 and 80,682.22

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Solution

The fourth proportional to 144,338.50, 199,183.71 and 80,682.22 is: 111,339.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,338.50 : 199,183.71 = 80,682.22 : x
  2. Step 2: Convert to fraction form
    144,338.50/199,183.71 = 80,682.22/x
  3. Step 3: Cross multiply
    144,338.50x = 199,183.71 × 80,682.22
  4. Step 4: Simplify right side
    144,338.50x = 16,070,583,910.64
  5. Step 5: Solve for x
    x = 16,070,583,910.64/144,338.50
  6. Step 6: Final answer
    x = 111,339.55

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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.