Home / 126,473.44-189,972.24-100,361.92

Finding the Fourth Proportional to 126,473.44, 189,972.24 and 100,361.92

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Solution

The fourth proportional to 126,473.44, 189,972.24 and 100,361.92 is: 150,750.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,473.44 : 189,972.24 = 100,361.92 : x
  2. Step 2: Convert to fraction form
    126,473.44/189,972.24 = 100,361.92/x
  3. Step 3: Cross multiply
    126,473.44x = 189,972.24 × 100,361.92
  4. Step 4: Simplify right side
    126,473.44x = 19,065,978,753.10
  5. Step 5: Solve for x
    x = 19,065,978,753.10/126,473.44
  6. Step 6: Final answer
    x = 150,750.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.