Home / 357,631.87-493,540.68-196,497.37

Finding the Fourth Proportional to 357,631.87, 493,540.68 and 196,497.37

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Solution

The fourth proportional to 357,631.87, 493,540.68 and 196,497.37 is: 271,171.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,631.87 : 493,540.68 = 196,497.37 : x
  2. Step 2: Convert to fraction form
    357,631.87/493,540.68 = 196,497.37/x
  3. Step 3: Cross multiply
    357,631.87x = 493,540.68 × 196,497.37
  4. Step 4: Simplify right side
    357,631.87x = 96,979,445,608.01
  5. Step 5: Solve for x
    x = 96,979,445,608.01/357,631.87
  6. Step 6: Final answer
    x = 271,171.15

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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.