Home / 331,930.60-497,894.94-82,612.52

Finding the Fourth Proportional to 331,930.60, 497,894.94 and 82,612.52

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Solution

The fourth proportional to 331,930.60, 497,894.94 and 82,612.52 is: 123,918.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,930.60 : 497,894.94 = 82,612.52 : x
  2. Step 2: Convert to fraction form
    331,930.60/497,894.94 = 82,612.52/x
  3. Step 3: Cross multiply
    331,930.60x = 497,894.94 × 82,612.52
  4. Step 4: Simplify right side
    331,930.60x = 41,132,355,688.65
  5. Step 5: Solve for x
    x = 41,132,355,688.65/331,930.60
  6. Step 6: Final answer
    x = 123,918.54

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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.