Home / 331,059.60-496,407.96-131,177.52

Finding the Fourth Proportional to 331,059.60, 496,407.96 and 131,177.52

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Solution

The fourth proportional to 331,059.60, 496,407.96 and 131,177.52 is: 196,694.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,059.60 : 496,407.96 = 131,177.52 : x
  2. Step 2: Convert to fraction form
    331,059.60/496,407.96 = 131,177.52/x
  3. Step 3: Cross multiply
    331,059.60x = 496,407.96 × 131,177.52
  4. Step 4: Simplify right side
    331,059.60x = 65,117,565,101.06
  5. Step 5: Solve for x
    x = 65,117,565,101.06/331,059.60
  6. Step 6: Final answer
    x = 196,694.39

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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.