Home / 119,120.06-164,388.26-65,408.53

Finding the Fourth Proportional to 119,120.06, 164,388.26 and 65,408.53

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Solution

The fourth proportional to 119,120.06, 164,388.26 and 65,408.53 is: 90,265.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,120.06 : 164,388.26 = 65,408.53 : x
  2. Step 2: Convert to fraction form
    119,120.06/164,388.26 = 65,408.53/x
  3. Step 3: Cross multiply
    119,120.06x = 164,388.26 × 65,408.53
  4. Step 4: Simplify right side
    119,120.06x = 10,752,394,435.86
  5. Step 5: Solve for x
    x = 10,752,394,435.86/119,120.06
  6. Step 6: Final answer
    x = 90,265.19

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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.