Home / 144,344.58-199,190.17-80,683.44

Finding the Fourth Proportional to 144,344.58, 199,190.17 and 80,683.44

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Solution

The fourth proportional to 144,344.58, 199,190.17 and 80,683.44 is: 111,340.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,344.58 : 199,190.17 = 80,683.44 : x
  2. Step 2: Convert to fraction form
    144,344.58/199,190.17 = 80,683.44/x
  3. Step 3: Cross multiply
    144,344.58x = 199,190.17 × 80,683.44
  4. Step 4: Simplify right side
    144,344.58x = 16,071,348,129.78
  5. Step 5: Solve for x
    x = 16,071,348,129.78/144,344.58
  6. Step 6: Final answer
    x = 111,340.16

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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.