Home / 207,091.09-310,230.66-107,316.73

Finding the Fourth Proportional to 207,091.09, 310,230.66 and 107,316.73

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Solution

The fourth proportional to 207,091.09, 310,230.66 and 107,316.73 is: 160,764.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,091.09 : 310,230.66 = 107,316.73 : x
  2. Step 2: Convert to fraction form
    207,091.09/310,230.66 = 107,316.73/x
  3. Step 3: Cross multiply
    207,091.09x = 310,230.66 × 107,316.73
  4. Step 4: Simplify right side
    207,091.09x = 33,292,939,976.94
  5. Step 5: Solve for x
    x = 33,292,939,976.94/207,091.09
  6. Step 6: Final answer
    x = 160,764.71

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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.