Home / 300,109.20-414,206.10-192,813.36

Finding the Fourth Proportional to 300,109.20, 414,206.10 and 192,813.36

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Solution

The fourth proportional to 300,109.20, 414,206.10 and 192,813.36 is: 266,118.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,109.20 : 414,206.10 = 192,813.36 : x
  2. Step 2: Convert to fraction form
    300,109.20/414,206.10 = 192,813.36/x
  3. Step 3: Cross multiply
    300,109.20x = 414,206.10 × 192,813.36
  4. Step 4: Simplify right side
    300,109.20x = 79,864,469,873.50
  5. Step 5: Solve for x
    x = 79,864,469,873.50/300,109.20
  6. Step 6: Final answer
    x = 266,118.03

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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.