Home / 226,406.40-338,803.20-197,145.60

Finding the Fourth Proportional to 226,406.40, 338,803.20 and 197,145.60

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Solution

The fourth proportional to 226,406.40, 338,803.20 and 197,145.60 is: 295,016.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,406.40 : 338,803.20 = 197,145.60 : x
  2. Step 2: Convert to fraction form
    226,406.40/338,803.20 = 197,145.60/x
  3. Step 3: Cross multiply
    226,406.40x = 338,803.20 × 197,145.60
  4. Step 4: Simplify right side
    226,406.40x = 66,793,560,145.92
  5. Step 5: Solve for x
    x = 66,793,560,145.92/226,406.40
  6. Step 6: Final answer
    x = 295,016.22

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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.