Home / 200,200.26-276,273.96-109,555.92

Finding the Fourth Proportional to 200,200.26, 276,273.96 and 109,555.92

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Solution

The fourth proportional to 200,200.26, 276,273.96 and 109,555.92 is: 151,185.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,200.26 : 276,273.96 = 109,555.92 : x
  2. Step 2: Convert to fraction form
    200,200.26/276,273.96 = 109,555.92/x
  3. Step 3: Cross multiply
    200,200.26x = 276,273.96 × 109,555.92
  4. Step 4: Simplify right side
    200,200.26x = 30,267,447,859.84
  5. Step 5: Solve for x
    x = 30,267,447,859.84/200,200.26
  6. Step 6: Final answer
    x = 151,185.86

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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.