Home / 141,493.52-195,288.72-81,104.60

Finding the Fourth Proportional to 141,493.52, 195,288.72 and 81,104.60

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Solution

The fourth proportional to 141,493.52, 195,288.72 and 81,104.60 is: 111,940.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,493.52 : 195,288.72 = 81,104.60 : x
  2. Step 2: Convert to fraction form
    141,493.52/195,288.72 = 81,104.60/x
  3. Step 3: Cross multiply
    141,493.52x = 195,288.72 × 81,104.60
  4. Step 4: Simplify right side
    141,493.52x = 15,838,813,520.11
  5. Step 5: Solve for x
    x = 15,838,813,520.11/141,493.52
  6. Step 6: Final answer
    x = 111,940.20

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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.