Home / 144,050.96-198,766.54-80,388.60

Finding the Fourth Proportional to 144,050.96, 198,766.54 and 80,388.60

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Solution

The fourth proportional to 144,050.96, 198,766.54 and 80,388.60 is: 110,922.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,050.96 : 198,766.54 = 80,388.60 : x
  2. Step 2: Convert to fraction form
    144,050.96/198,766.54 = 80,388.60/x
  3. Step 3: Cross multiply
    144,050.96x = 198,766.54 × 80,388.60
  4. Step 4: Simplify right side
    144,050.96x = 15,978,563,877.44
  5. Step 5: Solve for x
    x = 15,978,563,877.44/144,050.96
  6. Step 6: Final answer
    x = 110,922.99

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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.