Home / 104,121.60-156,166.20-29,234.40

Finding the Fourth Proportional to 104,121.60, 156,166.20 and 29,234.40

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Solution

The fourth proportional to 104,121.60, 156,166.20 and 29,234.40 is: 43,847.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,121.60 : 156,166.20 = 29,234.40 : x
  2. Step 2: Convert to fraction form
    104,121.60/156,166.20 = 29,234.40/x
  3. Step 3: Cross multiply
    104,121.60x = 156,166.20 × 29,234.40
  4. Step 4: Simplify right side
    104,121.60x = 4,565,425,157.28
  5. Step 5: Solve for x
    x = 4,565,425,157.28/104,121.60
  6. Step 6: Final answer
    x = 43,847.05

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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.