Home / 119,351.82-164,702.07-68,362.86

Finding the Fourth Proportional to 119,351.82, 164,702.07 and 68,362.86

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Solution

The fourth proportional to 119,351.82, 164,702.07 and 68,362.86 is: 94,338.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,351.82 : 164,702.07 = 68,362.86 : x
  2. Step 2: Convert to fraction form
    119,351.82/164,702.07 = 68,362.86/x
  3. Step 3: Cross multiply
    119,351.82x = 164,702.07 × 68,362.86
  4. Step 4: Simplify right side
    119,351.82x = 11,259,504,553.12
  5. Step 5: Solve for x
    x = 11,259,504,553.12/119,351.82
  6. Step 6: Final answer
    x = 94,338.78

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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.