Home / 104,242.20-156,363.24-73,215.96

Finding the Fourth Proportional to 104,242.20, 156,363.24 and 73,215.96

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Solution

The fourth proportional to 104,242.20, 156,363.24 and 73,215.96 is: 109,823.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,242.20 : 156,363.24 = 73,215.96 : x
  2. Step 2: Convert to fraction form
    104,242.20/156,363.24 = 73,215.96/x
  3. Step 3: Cross multiply
    104,242.20x = 156,363.24 × 73,215.96
  4. Step 4: Simplify right side
    104,242.20x = 11,448,284,725.31
  5. Step 5: Solve for x
    x = 11,448,284,725.31/104,242.20
  6. Step 6: Final answer
    x = 109,823.90

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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.