Home / 200,454.05-276,626.91-109,808.03

Finding the Fourth Proportional to 200,454.05, 276,626.91 and 109,808.03

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Solution

The fourth proportional to 200,454.05, 276,626.91 and 109,808.03 is: 151,535.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,454.05 : 276,626.91 = 109,808.03 : x
  2. Step 2: Convert to fraction form
    200,454.05/276,626.91 = 109,808.03/x
  3. Step 3: Cross multiply
    200,454.05x = 276,626.91 × 109,808.03
  4. Step 4: Simplify right side
    200,454.05x = 30,375,854,099.91
  5. Step 5: Solve for x
    x = 30,375,854,099.91/200,454.05
  6. Step 6: Final answer
    x = 151,535.25

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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.