Home / 119,906.96-165,470.72-66,192

Finding the Fourth Proportional to 119,906.96, 165,470.72 and 66,192

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Solution

The fourth proportional to 119,906.96, 165,470.72 and 66,192 is: 91,344.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,906.96 : 165,470.72 = 66,192 : x
  2. Step 2: Convert to fraction form
    119,906.96/165,470.72 = 66,192/x
  3. Step 3: Cross multiply
    119,906.96x = 165,470.72 × 66,192
  4. Step 4: Simplify right side
    119,906.96x = 10,952,837,898.24
  5. Step 5: Solve for x
    x = 10,952,837,898.24/119,906.96
  6. Step 6: Final answer
    x = 91,344.47

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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.