Home / 307,227.11-423,799.76-192,306.27

Finding the Fourth Proportional to 307,227.11, 423,799.76 and 192,306.27

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Solution

The fourth proportional to 307,227.11, 423,799.76 and 192,306.27 is: 265,273.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,227.11 : 423,799.76 = 192,306.27 : x
  2. Step 2: Convert to fraction form
    307,227.11/423,799.76 = 192,306.27/x
  3. Step 3: Cross multiply
    307,227.11x = 423,799.76 × 192,306.27
  4. Step 4: Simplify right side
    307,227.11x = 81,499,351,072.50
  5. Step 5: Solve for x
    x = 81,499,351,072.50/307,227.11
  6. Step 6: Final answer
    x = 265,273.96

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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.