Home / 205,640.38-283,771.94-113,754.18

Finding the Fourth Proportional to 205,640.38, 283,771.94 and 113,754.18

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Solution

The fourth proportional to 205,640.38, 283,771.94 and 113,754.18 is: 156,974.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,640.38 : 283,771.94 = 113,754.18 : x
  2. Step 2: Convert to fraction form
    205,640.38/283,771.94 = 113,754.18/x
  3. Step 3: Cross multiply
    205,640.38x = 283,771.94 × 113,754.18
  4. Step 4: Simplify right side
    205,640.38x = 32,280,244,626.09
  5. Step 5: Solve for x
    x = 32,280,244,626.09/205,640.38
  6. Step 6: Final answer
    x = 156,974.25

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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.