Home / 200,310.41-276,431.63-109,664.85

Finding the Fourth Proportional to 200,310.41, 276,431.63 and 109,664.85

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Solution

The fourth proportional to 200,310.41, 276,431.63 and 109,664.85 is: 151,339.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,310.41 : 276,431.63 = 109,664.85 : x
  2. Step 2: Convert to fraction form
    200,310.41/276,431.63 = 109,664.85/x
  3. Step 3: Cross multiply
    200,310.41x = 276,431.63 × 109,664.85
  4. Step 4: Simplify right side
    200,310.41x = 30,314,832,690.88
  5. Step 5: Solve for x
    x = 30,314,832,690.88/200,310.41
  6. Step 6: Final answer
    x = 151,339.28

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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.