Home / 127,944.72-192,083.39-98,383.32

Finding the Fourth Proportional to 127,944.72, 192,083.39 and 98,383.32

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Solution

The fourth proportional to 127,944.72, 192,083.39 and 98,383.32 is: 147,702.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,944.72 : 192,083.39 = 98,383.32 : x
  2. Step 2: Convert to fraction form
    127,944.72/192,083.39 = 98,383.32/x
  3. Step 3: Cross multiply
    127,944.72x = 192,083.39 × 98,383.32
  4. Step 4: Simplify right side
    127,944.72x = 18,897,801,625.05
  5. Step 5: Solve for x
    x = 18,897,801,625.05/127,944.72
  6. Step 6: Final answer
    x = 147,702.86

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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.