Home / 199,207.56-274,899.44-108,561.68

Finding the Fourth Proportional to 199,207.56, 274,899.44 and 108,561.68

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Solution

The fourth proportional to 199,207.56, 274,899.44 and 108,561.68 is: 149,811.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,207.56 : 274,899.44 = 108,561.68 : x
  2. Step 2: Convert to fraction form
    199,207.56/274,899.44 = 108,561.68/x
  3. Step 3: Cross multiply
    199,207.56x = 274,899.44 × 108,561.68
  4. Step 4: Simplify right side
    199,207.56x = 29,843,545,037.46
  5. Step 5: Solve for x
    x = 29,843,545,037.46/199,207.56
  6. Step 6: Final answer
    x = 149,811.31

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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.