Home / 144,626.40-199,578.60-84,198.78

Finding the Fourth Proportional to 144,626.40, 199,578.60 and 84,198.78

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Solution

The fourth proportional to 144,626.40, 199,578.60 and 84,198.78 is: 116,190.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,626.40 : 199,578.60 = 84,198.78 : x
  2. Step 2: Convert to fraction form
    144,626.40/199,578.60 = 84,198.78/x
  3. Step 3: Cross multiply
    144,626.40x = 199,578.60 × 84,198.78
  4. Step 4: Simplify right side
    144,626.40x = 16,804,274,634.11
  5. Step 5: Solve for x
    x = 16,804,274,634.11/144,626.40
  6. Step 6: Final answer
    x = 116,190.92

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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.