Home / 126,215.89-174,178.49-68,856.50

Finding the Fourth Proportional to 126,215.89, 174,178.49 and 68,856.50

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Solution

The fourth proportional to 126,215.89, 174,178.49 and 68,856.50 is: 95,022.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,215.89 : 174,178.49 = 68,856.50 : x
  2. Step 2: Convert to fraction form
    126,215.89/174,178.49 = 68,856.50/x
  3. Step 3: Cross multiply
    126,215.89x = 174,178.49 × 68,856.50
  4. Step 4: Simplify right side
    126,215.89x = 11,993,321,287.85
  5. Step 5: Solve for x
    x = 11,993,321,287.85/126,215.89
  6. Step 6: Final answer
    x = 95,022.28

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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.