Home / 119,879.49-165,433.37-66,164.14

Finding the Fourth Proportional to 119,879.49, 165,433.37 and 66,164.14

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Solution

The fourth proportional to 119,879.49, 165,433.37 and 66,164.14 is: 91,306.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,879.49 : 165,433.37 = 66,164.14 : x
  2. Step 2: Convert to fraction form
    119,879.49/165,433.37 = 66,164.14/x
  3. Step 3: Cross multiply
    119,879.49x = 165,433.37 × 66,164.14
  4. Step 4: Simplify right side
    119,879.49x = 10,945,756,901.50
  5. Step 5: Solve for x
    x = 10,945,756,901.50/119,879.49
  6. Step 6: Final answer
    x = 91,306.33

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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.