Home / 120,311.08-180,464.49-41,423.56

Finding the Fourth Proportional to 120,311.08, 180,464.49 and 41,423.56

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Solution

The fourth proportional to 120,311.08, 180,464.49 and 41,423.56 is: 62,134.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,311.08 : 180,464.49 = 41,423.56 : x
  2. Step 2: Convert to fraction form
    120,311.08/180,464.49 = 41,423.56/x
  3. Step 3: Cross multiply
    120,311.08x = 180,464.49 × 41,423.56
  4. Step 4: Simplify right side
    120,311.08x = 7,475,481,629.38
  5. Step 5: Solve for x
    x = 7,475,481,629.38/120,311.08
  6. Step 6: Final answer
    x = 62,134.61

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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.