Home / 126,889.26-190,420.02-67,767.36

Finding the Fourth Proportional to 126,889.26, 190,420.02 and 67,767.36

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Solution

The fourth proportional to 126,889.26, 190,420.02 and 67,767.36 is: 101,697.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,889.26 : 190,420.02 = 67,767.36 : x
  2. Step 2: Convert to fraction form
    126,889.26/190,420.02 = 67,767.36/x
  3. Step 3: Cross multiply
    126,889.26x = 190,420.02 × 67,767.36
  4. Step 4: Simplify right side
    126,889.26x = 12,904,262,046.55
  5. Step 5: Solve for x
    x = 12,904,262,046.55/126,889.26
  6. Step 6: Final answer
    x = 101,697.04

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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.