Home / 199,093.80-274,746.42-109,669.80

Finding the Fourth Proportional to 199,093.80, 274,746.42 and 109,669.80

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Solution

The fourth proportional to 199,093.80, 274,746.42 and 109,669.80 is: 151,342.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,093.80 : 274,746.42 = 109,669.80 : x
  2. Step 2: Convert to fraction form
    199,093.80/274,746.42 = 109,669.80/x
  3. Step 3: Cross multiply
    199,093.80x = 274,746.42 × 109,669.80
  4. Step 4: Simplify right side
    199,093.80x = 30,131,384,932.12
  5. Step 5: Solve for x
    x = 30,131,384,932.12/199,093.80
  6. Step 6: Final answer
    x = 151,342.66

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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.