Home / 353,023.20-529,797.30-142,662.96

Finding the Fourth Proportional to 353,023.20, 529,797.30 and 142,662.96

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Solution

The fourth proportional to 353,023.20, 529,797.30 and 142,662.96 is: 214,100.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,023.20 : 529,797.30 = 142,662.96 : x
  2. Step 2: Convert to fraction form
    353,023.20/529,797.30 = 142,662.96/x
  3. Step 3: Cross multiply
    353,023.20x = 529,797.30 × 142,662.96
  4. Step 4: Simplify right side
    353,023.20x = 75,582,451,018.01
  5. Step 5: Solve for x
    x = 75,582,451,018.01/353,023.20
  6. Step 6: Final answer
    x = 214,100.52

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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.