Home / 119,827.20-165,360.33-66,112.59

Finding the Fourth Proportional to 119,827.20, 165,360.33 and 66,112.59

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Solution

The fourth proportional to 119,827.20, 165,360.33 and 66,112.59 is: 91,234.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,827.20 : 165,360.33 = 66,112.59 : x
  2. Step 2: Convert to fraction form
    119,827.20/165,360.33 = 66,112.59/x
  3. Step 3: Cross multiply
    119,827.20x = 165,360.33 × 66,112.59
  4. Step 4: Simplify right side
    119,827.20x = 10,932,399,699.55
  5. Step 5: Solve for x
    x = 10,932,399,699.55/119,827.20
  6. Step 6: Final answer
    x = 91,234.71

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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.