Home / 144,165.97-215,823.09-106,475.73

Finding the Fourth Proportional to 144,165.97, 215,823.09 and 106,475.73

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Solution

The fourth proportional to 144,165.97, 215,823.09 and 106,475.73 is: 159,399.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,165.97 : 215,823.09 = 106,475.73 : x
  2. Step 2: Convert to fraction form
    144,165.97/215,823.09 = 106,475.73/x
  3. Step 3: Cross multiply
    144,165.97x = 215,823.09 × 106,475.73
  4. Step 4: Simplify right side
    144,165.97x = 22,979,921,058.61
  5. Step 5: Solve for x
    x = 22,979,921,058.61/144,165.97
  6. Step 6: Final answer
    x = 159,399.07

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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.