Home / 165,936.66-248,671.71-72,245.58

Finding the Fourth Proportional to 165,936.66, 248,671.71 and 72,245.58

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Solution

The fourth proportional to 165,936.66, 248,671.71 and 72,245.58 is: 108,266.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,936.66 : 248,671.71 = 72,245.58 : x
  2. Step 2: Convert to fraction form
    165,936.66/248,671.71 = 72,245.58/x
  3. Step 3: Cross multiply
    165,936.66x = 248,671.71 × 72,245.58
  4. Step 4: Simplify right side
    165,936.66x = 17,965,431,918.54
  5. Step 5: Solve for x
    x = 17,965,431,918.54/165,936.66
  6. Step 6: Final answer
    x = 108,266.80

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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.