Home / 151,138.24-226,610.16-72,250.72

Finding the Fourth Proportional to 151,138.24, 226,610.16 and 72,250.72

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Solution

The fourth proportional to 151,138.24, 226,610.16 and 72,250.72 is: 108,329.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,138.24 : 226,610.16 = 72,250.72 : x
  2. Step 2: Convert to fraction form
    151,138.24/226,610.16 = 72,250.72/x
  3. Step 3: Cross multiply
    151,138.24x = 226,610.16 × 72,250.72
  4. Step 4: Simplify right side
    151,138.24x = 16,372,747,219.32
  5. Step 5: Solve for x
    x = 16,372,747,219.32/151,138.24
  6. Step 6: Final answer
    x = 108,329.61

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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.