Home / 119,942.94-165,523.84-66,231.38

Finding the Fourth Proportional to 119,942.94, 165,523.84 and 66,231.38

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Solution

The fourth proportional to 119,942.94, 165,523.84 and 66,231.38 is: 91,400.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,942.94 : 165,523.84 = 66,231.38 : x
  2. Step 2: Convert to fraction form
    119,942.94/165,523.84 = 66,231.38/x
  3. Step 3: Cross multiply
    119,942.94x = 165,523.84 × 66,231.38
  4. Step 4: Simplify right side
    119,942.94x = 10,962,872,346.10
  5. Step 5: Solve for x
    x = 10,962,872,346.10/119,942.94
  6. Step 6: Final answer
    x = 91,400.73

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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.