Home / 144,028.38-198,759.02-80,366.19

Finding the Fourth Proportional to 144,028.38, 198,759.02 and 80,366.19

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Solution

The fourth proportional to 144,028.38, 198,759.02 and 80,366.19 is: 110,905.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,028.38 : 198,759.02 = 80,366.19 : x
  2. Step 2: Convert to fraction form
    144,028.38/198,759.02 = 80,366.19/x
  3. Step 3: Cross multiply
    144,028.38x = 198,759.02 × 80,366.19
  4. Step 4: Simplify right side
    144,028.38x = 15,973,504,018.36
  5. Step 5: Solve for x
    x = 15,973,504,018.36/144,028.38
  6. Step 6: Final answer
    x = 110,905.25

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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.