Home / 193,233.75-289,846.26-66,866.37

Finding the Fourth Proportional to 193,233.75, 289,846.26 and 66,866.37

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Solution

The fourth proportional to 193,233.75, 289,846.26 and 66,866.37 is: 100,298.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,233.75 : 289,846.26 = 66,866.37 : x
  2. Step 2: Convert to fraction form
    193,233.75/289,846.26 = 66,866.37/x
  3. Step 3: Cross multiply
    193,233.75x = 289,846.26 × 66,866.37
  4. Step 4: Simplify right side
    193,233.75x = 19,380,965,968.31
  5. Step 5: Solve for x
    x = 19,380,965,968.31/193,233.75
  6. Step 6: Final answer
    x = 100,298.04

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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.