Home / 226,082.27-311,929.62-145,556.43

Finding the Fourth Proportional to 226,082.27, 311,929.62 and 145,556.43

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Solution

The fourth proportional to 226,082.27, 311,929.62 and 145,556.43 is: 200,826.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,082.27 : 311,929.62 = 145,556.43 : x
  2. Step 2: Convert to fraction form
    226,082.27/311,929.62 = 145,556.43/x
  3. Step 3: Cross multiply
    226,082.27x = 311,929.62 × 145,556.43
  4. Step 4: Simplify right side
    226,082.27x = 45,403,360,182.88
  5. Step 5: Solve for x
    x = 45,403,360,182.88/226,082.27
  6. Step 6: Final answer
    x = 200,826.72

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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.