Home / 188,568.12-282,778.04-68,596.60

Finding the Fourth Proportional to 188,568.12, 282,778.04 and 68,596.60

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Solution

The fourth proportional to 188,568.12, 282,778.04 and 68,596.60 is: 102,867.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,568.12 : 282,778.04 = 68,596.60 : x
  2. Step 2: Convert to fraction form
    188,568.12/282,778.04 = 68,596.60/x
  3. Step 3: Cross multiply
    188,568.12x = 282,778.04 × 68,596.60
  4. Step 4: Simplify right side
    188,568.12x = 19,397,612,098.66
  5. Step 5: Solve for x
    x = 19,397,612,098.66/188,568.12
  6. Step 6: Final answer
    x = 102,867.93

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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.