Home / 126,473.46-174,533.82-69,112.78

Finding the Fourth Proportional to 126,473.46, 174,533.82 and 69,112.78

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Solution

The fourth proportional to 126,473.46, 174,533.82 and 69,112.78 is: 95,375.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,473.46 : 174,533.82 = 69,112.78 : x
  2. Step 2: Convert to fraction form
    126,473.46/174,533.82 = 69,112.78/x
  3. Step 3: Cross multiply
    126,473.46x = 174,533.82 × 69,112.78
  4. Step 4: Simplify right side
    126,473.46x = 12,062,517,504.22
  5. Step 5: Solve for x
    x = 12,062,517,504.22/126,473.46
  6. Step 6: Final answer
    x = 95,375.88

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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.