Home / 126,221.88-189,334.48-41,982.06

Finding the Fourth Proportional to 126,221.88, 189,334.48 and 41,982.06

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Solution

The fourth proportional to 126,221.88, 189,334.48 and 41,982.06 is: 62,973.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,221.88 : 189,334.48 = 41,982.06 : x
  2. Step 2: Convert to fraction form
    126,221.88/189,334.48 = 41,982.06/x
  3. Step 3: Cross multiply
    126,221.88x = 189,334.48 × 41,982.06
  4. Step 4: Simplify right side
    126,221.88x = 7,948,651,499.43
  5. Step 5: Solve for x
    x = 7,948,651,499.43/126,221.88
  6. Step 6: Final answer
    x = 62,973.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.