Home / 144,724.94-199,714.62-81,059.48

Finding the Fourth Proportional to 144,724.94, 199,714.62 and 81,059.48

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Solution

The fourth proportional to 144,724.94, 199,714.62 and 81,059.48 is: 111,858.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,724.94 : 199,714.62 = 81,059.48 : x
  2. Step 2: Convert to fraction form
    144,724.94/199,714.62 = 81,059.48/x
  3. Step 3: Cross multiply
    144,724.94x = 199,714.62 × 81,059.48
  4. Step 4: Simplify right side
    144,724.94x = 16,188,763,245.60
  5. Step 5: Solve for x
    x = 16,188,763,245.60/144,724.94
  6. Step 6: Final answer
    x = 111,858.84

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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.