Home / 126,495.54-174,553.38-69,906.78

Finding the Fourth Proportional to 126,495.54, 174,553.38 and 69,906.78

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Solution

The fourth proportional to 126,495.54, 174,553.38 and 69,906.78 is: 96,465.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,495.54 : 174,553.38 = 69,906.78 : x
  2. Step 2: Convert to fraction form
    126,495.54/174,553.38 = 69,906.78/x
  3. Step 3: Cross multiply
    126,495.54x = 174,553.38 × 69,906.78
  4. Step 4: Simplify right side
    126,495.54x = 12,202,464,733.92
  5. Step 5: Solve for x
    x = 12,202,464,733.92/126,495.54
  6. Step 6: Final answer
    x = 96,465.57

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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.