Home / 225,519.52-336,623.96-198,945.76

Finding the Fourth Proportional to 225,519.52, 336,623.96 and 198,945.76

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Solution

The fourth proportional to 225,519.52, 336,623.96 and 198,945.76 is: 296,958.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,519.52 : 336,623.96 = 198,945.76 : x
  2. Step 2: Convert to fraction form
    225,519.52/336,623.96 = 198,945.76/x
  3. Step 3: Cross multiply
    225,519.52x = 336,623.96 × 198,945.76
  4. Step 4: Simplify right side
    225,519.52x = 66,969,909,556.41
  5. Step 5: Solve for x
    x = 66,969,909,556.41/225,519.52
  6. Step 6: Final answer
    x = 296,958.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.