Home / 215,733.26-323,646.60-82,613.52

Finding the Fourth Proportional to 215,733.26, 323,646.60 and 82,613.52

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Solution

The fourth proportional to 215,733.26, 323,646.60 and 82,613.52 is: 123,938.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,733.26 : 323,646.60 = 82,613.52 : x
  2. Step 2: Convert to fraction form
    215,733.26/323,646.60 = 82,613.52/x
  3. Step 3: Cross multiply
    215,733.26x = 323,646.60 × 82,613.52
  4. Step 4: Simplify right side
    215,733.26x = 26,737,584,862.03
  5. Step 5: Solve for x
    x = 26,737,584,862.03/215,733.26
  6. Step 6: Final answer
    x = 123,938.17

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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.