Home / 126,168.44-174,112.61-68,807.88

Finding the Fourth Proportional to 126,168.44, 174,112.61 and 68,807.88

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Solution

The fourth proportional to 126,168.44, 174,112.61 and 68,807.88 is: 94,954.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,168.44 : 174,112.61 = 68,807.88 : x
  2. Step 2: Convert to fraction form
    126,168.44/174,112.61 = 68,807.88/x
  3. Step 3: Cross multiply
    126,168.44x = 174,112.61 × 68,807.88
  4. Step 4: Simplify right side
    126,168.44x = 11,980,319,231.33
  5. Step 5: Solve for x
    x = 11,980,319,231.33/126,168.44
  6. Step 6: Final answer
    x = 94,954.96

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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.