Home / 200,079.56-276,105.84-109,435.22

Finding the Fourth Proportional to 200,079.56, 276,105.84 and 109,435.22

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Solution

The fourth proportional to 200,079.56, 276,105.84 and 109,435.22 is: 151,018.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,079.56 : 276,105.84 = 109,435.22 : x
  2. Step 2: Convert to fraction form
    200,079.56/276,105.84 = 109,435.22/x
  3. Step 3: Cross multiply
    200,079.56x = 276,105.84 × 109,435.22
  4. Step 4: Simplify right side
    200,079.56x = 30,215,703,343.68
  5. Step 5: Solve for x
    x = 30,215,703,343.68/200,079.56
  6. Step 6: Final answer
    x = 151,018.44

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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.