Home / 150,023.82-225,146.49-71,138.32

Finding the Fourth Proportional to 150,023.82, 225,146.49 and 71,138.32

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Solution

The fourth proportional to 150,023.82, 225,146.49 and 71,138.32 is: 106,760.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,023.82 : 225,146.49 = 71,138.32 : x
  2. Step 2: Convert to fraction form
    150,023.82/225,146.49 = 71,138.32/x
  3. Step 3: Cross multiply
    150,023.82x = 225,146.49 × 71,138.32
  4. Step 4: Simplify right side
    150,023.82x = 16,016,542,696.81
  5. Step 5: Solve for x
    x = 16,016,542,696.81/150,023.82
  6. Step 6: Final answer
    x = 106,760.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.