Home / 200,121.94-276,170.45-109,475.96

Finding the Fourth Proportional to 200,121.94, 276,170.45 and 109,475.96

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Solution

The fourth proportional to 200,121.94, 276,170.45 and 109,475.96 is: 151,078.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,121.94 : 276,170.45 = 109,475.96 : x
  2. Step 2: Convert to fraction form
    200,121.94/276,170.45 = 109,475.96/x
  3. Step 3: Cross multiply
    200,121.94x = 276,170.45 × 109,475.96
  4. Step 4: Simplify right side
    200,121.94x = 30,234,024,132.85
  5. Step 5: Solve for x
    x = 30,234,024,132.85/200,121.94
  6. Step 6: Final answer
    x = 151,078.01

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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.