Home / 192,766.15-266,017.25-107,883.21

Finding the Fourth Proportional to 192,766.15, 266,017.25 and 107,883.21

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Solution

The fourth proportional to 192,766.15, 266,017.25 and 107,883.21 is: 148,878.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,766.15 : 266,017.25 = 107,883.21 : x
  2. Step 2: Convert to fraction form
    192,766.15/266,017.25 = 107,883.21/x
  3. Step 3: Cross multiply
    192,766.15x = 266,017.25 × 107,883.21
  4. Step 4: Simplify right side
    192,766.15x = 28,698,796,112.65
  5. Step 5: Solve for x
    x = 28,698,796,112.65/192,766.15
  6. Step 6: Final answer
    x = 148,878.81

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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.