Home / 193,507.11-290,371.41-75,163.14

Finding the Fourth Proportional to 193,507.11, 290,371.41 and 75,163.14

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Solution

The fourth proportional to 193,507.11, 290,371.41 and 75,163.14 is: 112,787.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,507.11 : 290,371.41 = 75,163.14 : x
  2. Step 2: Convert to fraction form
    193,507.11/290,371.41 = 75,163.14/x
  3. Step 3: Cross multiply
    193,507.11x = 290,371.41 × 75,163.14
  4. Step 4: Simplify right side
    193,507.11x = 21,825,226,941.83
  5. Step 5: Solve for x
    x = 21,825,226,941.83/193,507.11
  6. Step 6: Final answer
    x = 112,787.73

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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.