Home / 126,634.97-174,553.49-85,786.67

Finding the Fourth Proportional to 126,634.97, 174,553.49 and 85,786.67

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Solution

The fourth proportional to 126,634.97, 174,553.49 and 85,786.67 is: 118,248.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,634.97 : 174,553.49 = 85,786.67 : x
  2. Step 2: Convert to fraction form
    126,634.97/174,553.49 = 85,786.67/x
  3. Step 3: Cross multiply
    126,634.97x = 174,553.49 × 85,786.67
  4. Step 4: Simplify right side
    126,634.97x = 14,974,361,985.68
  5. Step 5: Solve for x
    x = 14,974,361,985.68/126,634.97
  6. Step 6: Final answer
    x = 118,248.24

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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.