Home / 200,221.26-276,305.45-109,577.17

Finding the Fourth Proportional to 200,221.26, 276,305.45 and 109,577.17

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Solution

The fourth proportional to 200,221.26, 276,305.45 and 109,577.17 is: 151,216.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,221.26 : 276,305.45 = 109,577.17 : x
  2. Step 2: Convert to fraction form
    200,221.26/276,305.45 = 109,577.17/x
  3. Step 3: Cross multiply
    200,221.26x = 276,305.45 × 109,577.17
  4. Step 4: Simplify right side
    200,221.26x = 30,276,770,198.52
  5. Step 5: Solve for x
    x = 30,276,770,198.52/200,221.26
  6. Step 6: Final answer
    x = 151,216.56

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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.