Home / 141,451.52-195,205.47-81,027.44

Finding the Fourth Proportional to 141,451.52, 195,205.47 and 81,027.44

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Solution

The fourth proportional to 141,451.52, 195,205.47 and 81,027.44 is: 111,819.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,451.52 : 195,205.47 = 81,027.44 : x
  2. Step 2: Convert to fraction form
    141,451.52/195,205.47 = 81,027.44/x
  3. Step 3: Cross multiply
    141,451.52x = 195,205.47 × 81,027.44
  4. Step 4: Simplify right side
    141,451.52x = 15,816,999,188.13
  5. Step 5: Solve for x
    x = 15,816,999,188.13/141,451.52
  6. Step 6: Final answer
    x = 111,819.23

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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.