Home / 168,216.90-232,142.13-91,736.43

Finding the Fourth Proportional to 168,216.90, 232,142.13 and 91,736.43

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Solution

The fourth proportional to 168,216.90, 232,142.13 and 91,736.43 is: 126,597.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,216.90 : 232,142.13 = 91,736.43 : x
  2. Step 2: Convert to fraction form
    168,216.90/232,142.13 = 91,736.43/x
  3. Step 3: Cross multiply
    168,216.90x = 232,142.13 × 91,736.43
  4. Step 4: Simplify right side
    168,216.90x = 21,295,890,258.80
  5. Step 5: Solve for x
    x = 21,295,890,258.80/168,216.90
  6. Step 6: Final answer
    x = 126,597.80

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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.