Home / 127,112.88-190,680.40-41,698.13

Finding the Fourth Proportional to 127,112.88, 190,680.40 and 41,698.13

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Solution

The fourth proportional to 127,112.88, 190,680.40 and 41,698.13 is: 62,550.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,112.88 : 190,680.40 = 41,698.13 : x
  2. Step 2: Convert to fraction form
    127,112.88/190,680.40 = 41,698.13/x
  3. Step 3: Cross multiply
    127,112.88x = 190,680.40 × 41,698.13
  4. Step 4: Simplify right side
    127,112.88x = 7,951,015,147.73
  5. Step 5: Solve for x
    x = 7,951,015,147.73/127,112.88
  6. Step 6: Final answer
    x = 62,550.82

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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.