Home / 126,268.28-174,249.37-69,679.66

Finding the Fourth Proportional to 126,268.28, 174,249.37 and 69,679.66

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Solution

The fourth proportional to 126,268.28, 174,249.37 and 69,679.66 is: 96,157.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,268.28 : 174,249.37 = 69,679.66 : x
  2. Step 2: Convert to fraction form
    126,268.28/174,249.37 = 69,679.66/x
  3. Step 3: Cross multiply
    126,268.28x = 174,249.37 × 69,679.66
  4. Step 4: Simplify right side
    126,268.28x = 12,141,636,856.81
  5. Step 5: Solve for x
    x = 12,141,636,856.81/126,268.28
  6. Step 6: Final answer
    x = 96,157.46

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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.