Home / 231,318.08-346,740.80-131,266.96

Finding the Fourth Proportional to 231,318.08, 346,740.80 and 131,266.96

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Solution

The fourth proportional to 231,318.08, 346,740.80 and 131,266.96 is: 196,766.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,318.08 : 346,740.80 = 131,266.96 : x
  2. Step 2: Convert to fraction form
    231,318.08/346,740.80 = 131,266.96/x
  3. Step 3: Cross multiply
    231,318.08x = 346,740.80 × 131,266.96
  4. Step 4: Simplify right side
    231,318.08x = 45,515,610,723.97
  5. Step 5: Solve for x
    x = 45,515,610,723.97/231,318.08
  6. Step 6: Final answer
    x = 196,766.33

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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.