Home / 121,115.25-166,996.08-82,893.24

Finding the Fourth Proportional to 121,115.25, 166,996.08 and 82,893.24

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Solution

The fourth proportional to 121,115.25, 166,996.08 and 82,893.24 is: 114,294.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,115.25 : 166,996.08 = 82,893.24 : x
  2. Step 2: Convert to fraction form
    121,115.25/166,996.08 = 82,893.24/x
  3. Step 3: Cross multiply
    121,115.25x = 166,996.08 × 82,893.24
  4. Step 4: Simplify right side
    121,115.25x = 13,842,846,138.50
  5. Step 5: Solve for x
    x = 13,842,846,138.50/121,115.25
  6. Step 6: Final answer
    x = 114,294.82

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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.