Home / 331,825.60-497,811.30-107,147.80

Finding the Fourth Proportional to 331,825.60, 497,811.30 and 107,147.80

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Solution

The fourth proportional to 331,825.60, 497,811.30 and 107,147.80 is: 160,745.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,825.60 : 497,811.30 = 107,147.80 : x
  2. Step 2: Convert to fraction form
    331,825.60/497,811.30 = 107,147.80/x
  3. Step 3: Cross multiply
    331,825.60x = 497,811.30 × 107,147.80
  4. Step 4: Simplify right side
    331,825.60x = 53,339,385,610.14
  5. Step 5: Solve for x
    x = 53,339,385,610.14/331,825.60
  6. Step 6: Final answer
    x = 160,745.24

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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.