Home / 104,321.14-156,481.71-25,436.05

Finding the Fourth Proportional to 104,321.14, 156,481.71 and 25,436.05

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Solution

The fourth proportional to 104,321.14, 156,481.71 and 25,436.05 is: 38,154.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,321.14 : 156,481.71 = 25,436.05 : x
  2. Step 2: Convert to fraction form
    104,321.14/156,481.71 = 25,436.05/x
  3. Step 3: Cross multiply
    104,321.14x = 156,481.71 × 25,436.05
  4. Step 4: Simplify right side
    104,321.14x = 3,980,276,208.44
  5. Step 5: Solve for x
    x = 3,980,276,208.44/104,321.14
  6. Step 6: Final answer
    x = 38,154.07

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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.