Home / 167,399.73-230,975.69-99,439.61

Finding the Fourth Proportional to 167,399.73, 230,975.69 and 99,439.61

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Solution

The fourth proportional to 167,399.73, 230,975.69 and 99,439.61 is: 137,205.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,399.73 : 230,975.69 = 99,439.61 : x
  2. Step 2: Convert to fraction form
    167,399.73/230,975.69 = 99,439.61/x
  3. Step 3: Cross multiply
    167,399.73x = 230,975.69 × 99,439.61
  4. Step 4: Simplify right side
    167,399.73x = 22,968,132,613.32
  5. Step 5: Solve for x
    x = 22,968,132,613.32/167,399.73
  6. Step 6: Final answer
    x = 137,205.31

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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.