Home / 104,131.43-156,203.21-29,257.41

Finding the Fourth Proportional to 104,131.43, 156,203.21 and 29,257.41

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Solution

The fourth proportional to 104,131.43, 156,203.21 and 29,257.41 is: 43,887.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,131.43 : 156,203.21 = 29,257.41 : x
  2. Step 2: Convert to fraction form
    104,131.43/156,203.21 = 29,257.41/x
  3. Step 3: Cross multiply
    104,131.43x = 156,203.21 × 29,257.41
  4. Step 4: Simplify right side
    104,131.43x = 4,570,101,358.29
  5. Step 5: Solve for x
    x = 4,570,101,358.29/104,131.43
  6. Step 6: Final answer
    x = 43,887.82

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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.