Home / 126,961.04-190,392.24-67,764.44

Finding the Fourth Proportional to 126,961.04, 190,392.24 and 67,764.44

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Solution

The fourth proportional to 126,961.04, 190,392.24 and 67,764.44 is: 101,620.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,961.04 : 190,392.24 = 67,764.44 : x
  2. Step 2: Convert to fraction form
    126,961.04/190,392.24 = 67,764.44/x
  3. Step 3: Cross multiply
    126,961.04x = 190,392.24 × 67,764.44
  4. Step 4: Simplify right side
    126,961.04x = 12,901,823,523.95
  5. Step 5: Solve for x
    x = 12,901,823,523.95/126,961.04
  6. Step 6: Final answer
    x = 101,620.34

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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.