Home / 193,003.73-289,406.84-80,653.26

Finding the Fourth Proportional to 193,003.73, 289,406.84 and 80,653.26

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Solution

The fourth proportional to 193,003.73, 289,406.84 and 80,653.26 is: 120,938.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,003.73 : 289,406.84 = 80,653.26 : x
  2. Step 2: Convert to fraction form
    193,003.73/289,406.84 = 80,653.26/x
  3. Step 3: Cross multiply
    193,003.73x = 289,406.84 × 80,653.26
  4. Step 4: Simplify right side
    193,003.73x = 23,341,604,709.03
  5. Step 5: Solve for x
    x = 23,341,604,709.03/193,003.73
  6. Step 6: Final answer
    x = 120,938.62

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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.