Home / 133,619.80-184,395.10-73,193

Finding the Fourth Proportional to 133,619.80, 184,395.10 and 73,193

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Solution

The fourth proportional to 133,619.80, 184,395.10 and 73,193 is: 101,006.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,619.80 : 184,395.10 = 73,193 : x
  2. Step 2: Convert to fraction form
    133,619.80/184,395.10 = 73,193/x
  3. Step 3: Cross multiply
    133,619.80x = 184,395.10 × 73,193
  4. Step 4: Simplify right side
    133,619.80x = 13,496,430,554.30
  5. Step 5: Solve for x
    x = 13,496,430,554.30/133,619.80
  6. Step 6: Final answer
    x = 101,006.22

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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.