Home / 199,185.45-274,868.94-111,967.89

Finding the Fourth Proportional to 199,185.45, 274,868.94 and 111,967.89

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Solution

The fourth proportional to 199,185.45, 274,868.94 and 111,967.89 is: 154,511.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,185.45 : 274,868.94 = 111,967.89 : x
  2. Step 2: Convert to fraction form
    199,185.45/274,868.94 = 111,967.89/x
  3. Step 3: Cross multiply
    199,185.45x = 274,868.94 × 111,967.89
  4. Step 4: Simplify right side
    199,185.45x = 30,776,493,863.99
  5. Step 5: Solve for x
    x = 30,776,493,863.99/199,185.45
  6. Step 6: Final answer
    x = 154,511.76

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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.