Home / 126,897.26-190,432.02-67,775.36

Finding the Fourth Proportional to 126,897.26, 190,432.02 and 67,775.36

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Solution

The fourth proportional to 126,897.26, 190,432.02 and 67,775.36 is: 101,709.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,897.26 : 190,432.02 = 67,775.36 : x
  2. Step 2: Convert to fraction form
    126,897.26/190,432.02 = 67,775.36/x
  3. Step 3: Cross multiply
    126,897.26x = 190,432.02 × 67,775.36
  4. Step 4: Simplify right side
    126,897.26x = 12,906,598,711.03
  5. Step 5: Solve for x
    x = 12,906,598,711.03/126,897.26
  6. Step 6: Final answer
    x = 101,709.04

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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.