Home / 126,301.89-174,295.76-68,940.98

Finding the Fourth Proportional to 126,301.89, 174,295.76 and 68,940.98

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Solution

The fourth proportional to 126,301.89, 174,295.76 and 68,940.98 is: 95,138.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,301.89 : 174,295.76 = 68,940.98 : x
  2. Step 2: Convert to fraction form
    126,301.89/174,295.76 = 68,940.98/x
  3. Step 3: Cross multiply
    126,301.89x = 174,295.76 × 68,940.98
  4. Step 4: Simplify right side
    126,301.89x = 12,016,120,504.24
  5. Step 5: Solve for x
    x = 12,016,120,504.24/126,301.89
  6. Step 6: Final answer
    x = 95,138.09

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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.