Home / 200,336.60-276,455.94-109,690.92

Finding the Fourth Proportional to 200,336.60, 276,455.94 and 109,690.92

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Solution

The fourth proportional to 200,336.60, 276,455.94 and 109,690.92 is: 151,368.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,336.60 : 276,455.94 = 109,690.92 : x
  2. Step 2: Convert to fraction form
    200,336.60/276,455.94 = 109,690.92/x
  3. Step 3: Cross multiply
    200,336.60x = 276,455.94 × 109,690.92
  4. Step 4: Simplify right side
    200,336.60x = 30,324,706,398.06
  5. Step 5: Solve for x
    x = 30,324,706,398.06/200,336.60
  6. Step 6: Final answer
    x = 151,368.78

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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.