Home / 193,335.73-289,660.46-80,768.21

Finding the Fourth Proportional to 193,335.73, 289,660.46 and 80,768.21

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Solution

The fourth proportional to 193,335.73, 289,660.46 and 80,768.21 is: 121,008.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,335.73 : 289,660.46 = 80,768.21 : x
  2. Step 2: Convert to fraction form
    193,335.73/289,660.46 = 80,768.21/x
  3. Step 3: Cross multiply
    193,335.73x = 289,660.46 × 80,768.21
  4. Step 4: Simplify right side
    193,335.73x = 23,395,355,009.83
  5. Step 5: Solve for x
    x = 23,395,355,009.83/193,335.73
  6. Step 6: Final answer
    x = 121,008.96

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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.