Home / 127,939.62-191,951.89-39,194

Finding the Fourth Proportional to 127,939.62, 191,951.89 and 39,194

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Solution

The fourth proportional to 127,939.62, 191,951.89 and 39,194 is: 58,804.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,939.62 : 191,951.89 = 39,194 : x
  2. Step 2: Convert to fraction form
    127,939.62/191,951.89 = 39,194/x
  3. Step 3: Cross multiply
    127,939.62x = 191,951.89 × 39,194
  4. Step 4: Simplify right side
    127,939.62x = 7,523,362,376.66
  5. Step 5: Solve for x
    x = 7,523,362,376.66/127,939.62
  6. Step 6: Final answer
    x = 58,804.01

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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.