Home / 104,821.83-156,981.24-92,213.78

Finding the Fourth Proportional to 104,821.83, 156,981.24 and 92,213.78

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Solution

The fourth proportional to 104,821.83, 156,981.24 and 92,213.78 is: 138,099.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,821.83 : 156,981.24 = 92,213.78 : x
  2. Step 2: Convert to fraction form
    104,821.83/156,981.24 = 92,213.78/x
  3. Step 3: Cross multiply
    104,821.83x = 156,981.24 × 92,213.78
  4. Step 4: Simplify right side
    104,821.83x = 14,475,832,744.58
  5. Step 5: Solve for x
    x = 14,475,832,744.58/104,821.83
  6. Step 6: Final answer
    x = 138,099.41

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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.