Home / 144,864.46-199,912.24-81,202.26

Finding the Fourth Proportional to 144,864.46, 199,912.24 and 81,202.26

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Solution

The fourth proportional to 144,864.46, 199,912.24 and 81,202.26 is: 112,058.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,864.46 : 199,912.24 = 81,202.26 : x
  2. Step 2: Convert to fraction form
    144,864.46/199,912.24 = 81,202.26/x
  3. Step 3: Cross multiply
    144,864.46x = 199,912.24 × 81,202.26
  4. Step 4: Simplify right side
    144,864.46x = 16,233,325,689.66
  5. Step 5: Solve for x
    x = 16,233,325,689.66/144,864.46
  6. Step 6: Final answer
    x = 112,058.72

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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.