Home / 126,977.42-190,299.02-70,843.97

Finding the Fourth Proportional to 126,977.42, 190,299.02 and 70,843.97

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Solution

The fourth proportional to 126,977.42, 190,299.02 and 70,843.97 is: 106,172.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,977.42 : 190,299.02 = 70,843.97 : x
  2. Step 2: Convert to fraction form
    126,977.42/190,299.02 = 70,843.97/x
  3. Step 3: Cross multiply
    126,977.42x = 190,299.02 × 70,843.97
  4. Step 4: Simplify right side
    126,977.42x = 13,481,538,185.44
  5. Step 5: Solve for x
    x = 13,481,538,185.44/126,977.42
  6. Step 6: Final answer
    x = 106,172.72

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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.