Home / 127,996.37-191,997.32-39,247.91

Finding the Fourth Proportional to 127,996.37, 191,997.32 and 39,247.91

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Solution

The fourth proportional to 127,996.37, 191,997.32 and 39,247.91 is: 58,872.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,996.37 : 191,997.32 = 39,247.91 : x
  2. Step 2: Convert to fraction form
    127,996.37/191,997.32 = 39,247.91/x
  3. Step 3: Cross multiply
    127,996.37x = 191,997.32 × 39,247.91
  4. Step 4: Simplify right side
    127,996.37x = 7,535,493,535.60
  5. Step 5: Solve for x
    x = 7,535,493,535.60/127,996.37
  6. Step 6: Final answer
    x = 58,872.71

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1.5x scale

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.