Home / 226,302.09-339,496.89-76,566.78

Finding the Fourth Proportional to 226,302.09, 339,496.89 and 76,566.78

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Solution

The fourth proportional to 226,302.09, 339,496.89 and 76,566.78 is: 114,864.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,302.09 : 339,496.89 = 76,566.78 : x
  2. Step 2: Convert to fraction form
    226,302.09/339,496.89 = 76,566.78/x
  3. Step 3: Cross multiply
    226,302.09x = 339,496.89 × 76,566.78
  4. Step 4: Simplify right side
    226,302.09x = 25,994,183,687.31
  5. Step 5: Solve for x
    x = 25,994,183,687.31/226,302.09
  6. Step 6: Final answer
    x = 114,864.97

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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.