Home / 156,429.01-234,687.26-51,321.79

Finding the Fourth Proportional to 156,429.01, 234,687.26 and 51,321.79

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Solution

The fourth proportional to 156,429.01, 234,687.26 and 51,321.79 is: 76,997.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,429.01 : 234,687.26 = 51,321.79 : x
  2. Step 2: Convert to fraction form
    156,429.01/234,687.26 = 51,321.79/x
  3. Step 3: Cross multiply
    156,429.01x = 234,687.26 × 51,321.79
  4. Step 4: Simplify right side
    156,429.01x = 12,044,570,016.79
  5. Step 5: Solve for x
    x = 12,044,570,016.79/156,429.01
  6. Step 6: Final answer
    x = 76,997.04

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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.