Home / 199,162.56-274,840.86-108,519.26

Finding the Fourth Proportional to 199,162.56, 274,840.86 and 108,519.26

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Solution

The fourth proportional to 199,162.56, 274,840.86 and 108,519.26 is: 149,754.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,162.56 : 274,840.86 = 108,519.26 : x
  2. Step 2: Convert to fraction form
    199,162.56/274,840.86 = 108,519.26/x
  3. Step 3: Cross multiply
    199,162.56x = 274,840.86 × 108,519.26
  4. Step 4: Simplify right side
    199,162.56x = 29,825,526,744.96
  5. Step 5: Solve for x
    x = 29,825,526,744.96/199,162.56
  6. Step 6: Final answer
    x = 149,754.69

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1.5x scale

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.