Home / 127,205.20-190,829.40-68,024.80

Finding the Fourth Proportional to 127,205.20, 190,829.40 and 68,024.80

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Solution

The fourth proportional to 127,205.20, 190,829.40 and 68,024.80 is: 102,048.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,205.20 : 190,829.40 = 68,024.80 : x
  2. Step 2: Convert to fraction form
    127,205.20/190,829.40 = 68,024.80/x
  3. Step 3: Cross multiply
    127,205.20x = 190,829.40 × 68,024.80
  4. Step 4: Simplify right side
    127,205.20x = 12,981,131,769.12
  5. Step 5: Solve for x
    x = 12,981,131,769.12/127,205.20
  6. Step 6: Final answer
    x = 102,048.75

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