Home / 144,044.96-198,758.27-80,382.60

Finding the Fourth Proportional to 144,044.96, 198,758.27 and 80,382.60

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Solution

The fourth proportional to 144,044.96, 198,758.27 and 80,382.60 is: 110,914.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,044.96 : 198,758.27 = 80,382.60 : x
  2. Step 2: Convert to fraction form
    144,044.96/198,758.27 = 80,382.60/x
  3. Step 3: Cross multiply
    144,044.96x = 198,758.27 × 80,382.60
  4. Step 4: Simplify right side
    144,044.96x = 15,976,706,715.06
  5. Step 5: Solve for x
    x = 15,976,706,715.06/144,044.96
  6. Step 6: Final answer
    x = 110,914.73

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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.