Home / 105,198.00-145,135.85-62,168.37

Finding the Fourth Proportional to 105,198.00, 145,135.85 and 62,168.37

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Solution

The fourth proportional to 105,198.00, 145,135.85 and 62,168.37 is: 85,770.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,198.00 : 145,135.85 = 62,168.37 : x
  2. Step 2: Convert to fraction form
    105,198.00/145,135.85 = 62,168.37/x
  3. Step 3: Cross multiply
    105,198.00x = 145,135.85 × 62,168.37
  4. Step 4: Simplify right side
    105,198.00x = 9,022,858,717.66
  5. Step 5: Solve for x
    x = 9,022,858,717.66/105,198.00
  6. Step 6: Final answer
    x = 85,770.25

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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.