Home / 200,346.21-276,481.15-109,700.73

Finding the Fourth Proportional to 200,346.21, 276,481.15 and 109,700.73

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Solution

The fourth proportional to 200,346.21, 276,481.15 and 109,700.73 is: 151,388.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,346.21 : 276,481.15 = 109,700.73 : x
  2. Step 2: Convert to fraction form
    200,346.21/276,481.15 = 109,700.73/x
  3. Step 3: Cross multiply
    200,346.21x = 276,481.15 × 109,700.73
  4. Step 4: Simplify right side
    200,346.21x = 30,330,183,711.99
  5. Step 5: Solve for x
    x = 30,330,183,711.99/200,346.21
  6. Step 6: Final answer
    x = 151,388.86

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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.