Home / 179,709.20-269,434.20-100,847.60

Finding the Fourth Proportional to 179,709.20, 269,434.20 and 100,847.60

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Solution

The fourth proportional to 179,709.20, 269,434.20 and 100,847.60 is: 151,198.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,709.20 : 269,434.20 = 100,847.60 : x
  2. Step 2: Convert to fraction form
    179,709.20/269,434.20 = 100,847.60/x
  3. Step 3: Cross multiply
    179,709.20x = 269,434.20 × 100,847.60
  4. Step 4: Simplify right side
    179,709.20x = 27,171,792,427.92
  5. Step 5: Solve for x
    x = 27,171,792,427.92/179,709.20
  6. Step 6: Final answer
    x = 151,198.67

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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.