Home / 169,579.20-234,023.94-109,266.60

Finding the Fourth Proportional to 169,579.20, 234,023.94 and 109,266.60

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Solution

The fourth proportional to 169,579.20, 234,023.94 and 109,266.60 is: 150,790.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,579.20 : 234,023.94 = 109,266.60 : x
  2. Step 2: Convert to fraction form
    169,579.20/234,023.94 = 109,266.60/x
  3. Step 3: Cross multiply
    169,579.20x = 234,023.94 × 109,266.60
  4. Step 4: Simplify right side
    169,579.20x = 25,571,000,242.40
  5. Step 5: Solve for x
    x = 25,571,000,242.40/169,579.20
  6. Step 6: Final answer
    x = 150,790.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.