Home / 104,131.38-156,203.12-29,257.36

Finding the Fourth Proportional to 104,131.38, 156,203.12 and 29,257.36

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Solution

The fourth proportional to 104,131.38, 156,203.12 and 29,257.36 is: 43,887.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,131.38 : 156,203.12 = 29,257.36 : x
  2. Step 2: Convert to fraction form
    104,131.38/156,203.12 = 29,257.36/x
  3. Step 3: Cross multiply
    104,131.38x = 156,203.12 × 29,257.36
  4. Step 4: Simplify right side
    104,131.38x = 4,570,090,914.96
  5. Step 5: Solve for x
    x = 4,570,090,914.96/104,131.38
  6. Step 6: Final answer
    x = 43,887.74

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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.