Home / 126,682.02-174,745.04-83,661.92

Finding the Fourth Proportional to 126,682.02, 174,745.04 and 83,661.92

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Solution

The fourth proportional to 126,682.02, 174,745.04 and 83,661.92 is: 115,403.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,682.02 : 174,745.04 = 83,661.92 : x
  2. Step 2: Convert to fraction form
    126,682.02/174,745.04 = 83,661.92/x
  3. Step 3: Cross multiply
    126,682.02x = 174,745.04 × 83,661.92
  4. Step 4: Simplify right side
    126,682.02x = 14,619,505,556.88
  5. Step 5: Solve for x
    x = 14,619,505,556.88/126,682.02
  6. Step 6: Final answer
    x = 115,403.16

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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.