Home / 200,455.34-276,616.49-109,793.25

Finding the Fourth Proportional to 200,455.34, 276,616.49 and 109,793.25

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Solution

The fourth proportional to 200,455.34, 276,616.49 and 109,793.25 is: 151,508.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,455.34 : 276,616.49 = 109,793.25 : x
  2. Step 2: Convert to fraction form
    200,455.34/276,616.49 = 109,793.25/x
  3. Step 3: Cross multiply
    200,455.34x = 276,616.49 × 109,793.25
  4. Step 4: Simplify right side
    200,455.34x = 30,370,622,891.73
  5. Step 5: Solve for x
    x = 30,370,622,891.73/200,455.34
  6. Step 6: Final answer
    x = 151,508.18

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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.