Home / 119,819.04-165,350.82-66,104.03

Finding the Fourth Proportional to 119,819.04, 165,350.82 and 66,104.03

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Solution

The fourth proportional to 119,819.04, 165,350.82 and 66,104.03 is: 91,223.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,819.04 : 165,350.82 = 66,104.03 : x
  2. Step 2: Convert to fraction form
    119,819.04/165,350.82 = 66,104.03/x
  3. Step 3: Cross multiply
    119,819.04x = 165,350.82 × 66,104.03
  4. Step 4: Simplify right side
    119,819.04x = 10,930,356,227.07
  5. Step 5: Solve for x
    x = 10,930,356,227.07/119,819.04
  6. Step 6: Final answer
    x = 91,223.87

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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.