Home / 118,085.85-177,163.29-38,121.95

Finding the Fourth Proportional to 118,085.85, 177,163.29 and 38,121.95

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Solution

The fourth proportional to 118,085.85, 177,163.29 and 38,121.95 is: 57,194.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,085.85 : 177,163.29 = 38,121.95 : x
  2. Step 2: Convert to fraction form
    118,085.85/177,163.29 = 38,121.95/x
  3. Step 3: Cross multiply
    118,085.85x = 177,163.29 × 38,121.95
  4. Step 4: Simplify right side
    118,085.85x = 6,753,809,006.79
  5. Step 5: Solve for x
    x = 6,753,809,006.79/118,085.85
  6. Step 6: Final answer
    x = 57,194.06

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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.