Home / 144,183.43-198,973.56-80,523.64

Finding the Fourth Proportional to 144,183.43, 198,973.56 and 80,523.64

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Solution

The fourth proportional to 144,183.43, 198,973.56 and 80,523.64 is: 111,122.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,183.43 : 198,973.56 = 80,523.64 : x
  2. Step 2: Convert to fraction form
    144,183.43/198,973.56 = 80,523.64/x
  3. Step 3: Cross multiply
    144,183.43x = 198,973.56 × 80,523.64
  4. Step 4: Simplify right side
    144,183.43x = 16,022,075,314.96
  5. Step 5: Solve for x
    x = 16,022,075,314.96/144,183.43
  6. Step 6: Final answer
    x = 111,122.86

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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.