Home / 300,777.24-451,120.50-101,089.56

Finding the Fourth Proportional to 300,777.24, 451,120.50 and 101,089.56

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Solution

The fourth proportional to 300,777.24, 451,120.50 and 101,089.56 is: 151,619.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,777.24 : 451,120.50 = 101,089.56 : x
  2. Step 2: Convert to fraction form
    300,777.24/451,120.50 = 101,089.56/x
  3. Step 3: Cross multiply
    300,777.24x = 451,120.50 × 101,089.56
  4. Step 4: Simplify right side
    300,777.24x = 45,603,572,851.98
  5. Step 5: Solve for x
    x = 45,603,572,851.98/300,777.24
  6. Step 6: Final answer
    x = 151,619.09

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1.5x scale

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.