Home / 120,033.28-179,914.24-73,183.36

Finding the Fourth Proportional to 120,033.28, 179,914.24 and 73,183.36

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Solution

The fourth proportional to 120,033.28, 179,914.24 and 73,183.36 is: 109,692.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,033.28 : 179,914.24 = 73,183.36 : x
  2. Step 2: Convert to fraction form
    120,033.28/179,914.24 = 73,183.36/x
  3. Step 3: Cross multiply
    120,033.28x = 179,914.24 × 73,183.36
  4. Step 4: Simplify right side
    120,033.28x = 13,166,728,595.05
  5. Step 5: Solve for x
    x = 13,166,728,595.05/120,033.28
  6. Step 6: Final answer
    x = 109,692.32

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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.