Home / 200,023.73-276,021.57-109,361.64

Finding the Fourth Proportional to 200,023.73, 276,021.57 and 109,361.64

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Solution

The fourth proportional to 200,023.73, 276,021.57 and 109,361.64 is: 150,912.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,023.73 : 276,021.57 = 109,361.64 : x
  2. Step 2: Convert to fraction form
    200,023.73/276,021.57 = 109,361.64/x
  3. Step 3: Cross multiply
    200,023.73x = 276,021.57 × 109,361.64
  4. Step 4: Simplify right side
    200,023.73x = 30,186,173,015.76
  5. Step 5: Solve for x
    x = 30,186,173,015.76/200,023.73
  6. Step 6: Final answer
    x = 150,912.96

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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.