Home / 170,835.36-256,299.84-82,163.04

Finding the Fourth Proportional to 170,835.36, 256,299.84 and 82,163.04

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Solution

The fourth proportional to 170,835.36, 256,299.84 and 82,163.04 is: 123,267.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,835.36 : 256,299.84 = 82,163.04 : x
  2. Step 2: Convert to fraction form
    170,835.36/256,299.84 = 82,163.04/x
  3. Step 3: Cross multiply
    170,835.36x = 256,299.84 × 82,163.04
  4. Step 4: Simplify right side
    170,835.36x = 21,058,374,005.91
  5. Step 5: Solve for x
    x = 21,058,374,005.91/170,835.36
  6. Step 6: Final answer
    x = 123,267.07

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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.