Home / 226,178.79-339,196.28-74,340.85

Finding the Fourth Proportional to 226,178.79, 339,196.28 and 74,340.85

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Solution

The fourth proportional to 226,178.79, 339,196.28 and 74,340.85 is: 111,487.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,178.79 : 339,196.28 = 74,340.85 : x
  2. Step 2: Convert to fraction form
    226,178.79/339,196.28 = 74,340.85/x
  3. Step 3: Cross multiply
    226,178.79x = 339,196.28 × 74,340.85
  4. Step 4: Simplify right side
    226,178.79x = 25,216,138,924.05
  5. Step 5: Solve for x
    x = 25,216,138,924.05/226,178.79
  6. Step 6: Final answer
    x = 111,487.64

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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.