Home / 266,550.35-367,601.29-221,156.43

Finding the Fourth Proportional to 266,550.35, 367,601.29 and 221,156.43

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Solution

The fourth proportional to 266,550.35, 367,601.29 and 221,156.43 is: 304,998.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,550.35 : 367,601.29 = 221,156.43 : x
  2. Step 2: Convert to fraction form
    266,550.35/367,601.29 = 221,156.43/x
  3. Step 3: Cross multiply
    266,550.35x = 367,601.29 × 221,156.43
  4. Step 4: Simplify right side
    266,550.35x = 81,297,387,028.40
  5. Step 5: Solve for x
    x = 81,297,387,028.40/266,550.35
  6. Step 6: Final answer
    x = 304,998.24

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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.