Home / 126,682.54-174,745.73-83,662.42

Finding the Fourth Proportional to 126,682.54, 174,745.73 and 83,662.42

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Solution

The fourth proportional to 126,682.54, 174,745.73 and 83,662.42 is: 115,403.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,682.54 : 174,745.73 = 83,662.42 : x
  2. Step 2: Convert to fraction form
    126,682.54/174,745.73 = 83,662.42/x
  3. Step 3: Cross multiply
    126,682.54x = 174,745.73 × 83,662.42
  4. Step 4: Simplify right side
    126,682.54x = 14,619,650,238.15
  5. Step 5: Solve for x
    x = 14,619,650,238.15/126,682.54
  6. Step 6: Final answer
    x = 115,403.83

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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.