Home / 126,272.45-174,257.02-68,912.24

Finding the Fourth Proportional to 126,272.45, 174,257.02 and 68,912.24

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Solution

The fourth proportional to 126,272.45, 174,257.02 and 68,912.24 is: 95,099.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,272.45 : 174,257.02 = 68,912.24 : x
  2. Step 2: Convert to fraction form
    126,272.45/174,257.02 = 68,912.24/x
  3. Step 3: Cross multiply
    126,272.45x = 174,257.02 × 68,912.24
  4. Step 4: Simplify right side
    126,272.45x = 12,008,440,798.78
  5. Step 5: Solve for x
    x = 12,008,440,798.78/126,272.45
  6. Step 6: Final answer
    x = 95,099.45

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1.5x scale

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.