Home / 225,855.20-338,564.10-202,235.60

Finding the Fourth Proportional to 225,855.20, 338,564.10 and 202,235.60

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Solution

The fourth proportional to 225,855.20, 338,564.10 and 202,235.60 is: 303,157.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,855.20 : 338,564.10 = 202,235.60 : x
  2. Step 2: Convert to fraction form
    225,855.20/338,564.10 = 202,235.60/x
  3. Step 3: Cross multiply
    225,855.20x = 338,564.10 × 202,235.60
  4. Step 4: Simplify right side
    225,855.20x = 68,469,713,901.96
  5. Step 5: Solve for x
    x = 68,469,713,901.96/225,855.20
  6. Step 6: Final answer
    x = 303,157.57

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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.