Home / 119,940.93-165,517.38-66,224.79

Finding the Fourth Proportional to 119,940.93, 165,517.38 and 66,224.79

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Solution

The fourth proportional to 119,940.93, 165,517.38 and 66,224.79 is: 91,389.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,940.93 : 165,517.38 = 66,224.79 : x
  2. Step 2: Convert to fraction form
    119,940.93/165,517.38 = 66,224.79/x
  3. Step 3: Cross multiply
    119,940.93x = 165,517.38 × 66,224.79
  4. Step 4: Simplify right side
    119,940.93x = 10,961,353,731.85
  5. Step 5: Solve for x
    x = 10,961,353,731.85/119,940.93
  6. Step 6: Final answer
    x = 91,389.60

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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.