Home / 200,404.60-276,558.20-109,760.13

Finding the Fourth Proportional to 200,404.60, 276,558.20 and 109,760.13

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Solution

The fourth proportional to 200,404.60, 276,558.20 and 109,760.13 is: 151,468.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,404.60 : 276,558.20 = 109,760.13 : x
  2. Step 2: Convert to fraction form
    200,404.60/276,558.20 = 109,760.13/x
  3. Step 3: Cross multiply
    200,404.60x = 276,558.20 × 109,760.13
  4. Step 4: Simplify right side
    200,404.60x = 30,355,063,847.37
  5. Step 5: Solve for x
    x = 30,355,063,847.37/200,404.60
  6. Step 6: Final answer
    x = 151,468.90

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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.