Home / 356,869.43-534,976.31-154,338.85

Finding the Fourth Proportional to 356,869.43, 534,976.31 and 154,338.85

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Solution

The fourth proportional to 356,869.43, 534,976.31 and 154,338.85 is: 231,366.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,869.43 : 534,976.31 = 154,338.85 : x
  2. Step 2: Convert to fraction form
    356,869.43/534,976.31 = 154,338.85/x
  3. Step 3: Cross multiply
    356,869.43x = 534,976.31 × 154,338.85
  4. Step 4: Simplify right side
    356,869.43x = 82,567,629,517.21
  5. Step 5: Solve for x
    x = 82,567,629,517.21/356,869.43
  6. Step 6: Final answer
    x = 231,366.50

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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.