Home / 331,931.60-497,896.44-82,613.52

Finding the Fourth Proportional to 331,931.60, 497,896.44 and 82,613.52

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Solution

The fourth proportional to 331,931.60, 497,896.44 and 82,613.52 is: 123,920.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,931.60 : 497,896.44 = 82,613.52 : x
  2. Step 2: Convert to fraction form
    331,931.60/497,896.44 = 82,613.52/x
  3. Step 3: Cross multiply
    331,931.60x = 497,896.44 × 82,613.52
  4. Step 4: Simplify right side
    331,931.60x = 41,132,977,503.87
  5. Step 5: Solve for x
    x = 41,132,977,503.87/331,931.60
  6. Step 6: Final answer
    x = 123,920.04

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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.