Home / 126,682.28-174,745.38-83,662.17

Finding the Fourth Proportional to 126,682.28, 174,745.38 and 83,662.17

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Solution

The fourth proportional to 126,682.28, 174,745.38 and 83,662.17 is: 115,403.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,682.28 : 174,745.38 = 83,662.17 : x
  2. Step 2: Convert to fraction form
    126,682.28/174,745.38 = 83,662.17/x
  3. Step 3: Cross multiply
    126,682.28x = 174,745.38 × 83,662.17
  4. Step 4: Simplify right side
    126,682.28x = 14,619,577,688.27
  5. Step 5: Solve for x
    x = 14,619,577,688.27/126,682.28
  6. Step 6: Final answer
    x = 115,403.49

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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.