Home / 120,003.26-179,902.83-73,288.94

Finding the Fourth Proportional to 120,003.26, 179,902.83 and 73,288.94

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Solution

The fourth proportional to 120,003.26, 179,902.83 and 73,288.94 is: 109,871.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,003.26 : 179,902.83 = 73,288.94 : x
  2. Step 2: Convert to fraction form
    120,003.26/179,902.83 = 73,288.94/x
  3. Step 3: Cross multiply
    120,003.26x = 179,902.83 × 73,288.94
  4. Step 4: Simplify right side
    120,003.26x = 13,184,887,713.70
  5. Step 5: Solve for x
    x = 13,184,887,713.70/120,003.26
  6. Step 6: Final answer
    x = 109,871.08

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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.