Home / 215,176.52-322,542.48-82,021.04

Finding the Fourth Proportional to 215,176.52, 322,542.48 and 82,021.04

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Solution

The fourth proportional to 215,176.52, 322,542.48 and 82,021.04 is: 122,946.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,176.52 : 322,542.48 = 82,021.04 : x
  2. Step 2: Convert to fraction form
    215,176.52/322,542.48 = 82,021.04/x
  3. Step 3: Cross multiply
    215,176.52x = 322,542.48 × 82,021.04
  4. Step 4: Simplify right side
    215,176.52x = 26,455,269,653.78
  5. Step 5: Solve for x
    x = 26,455,269,653.78/215,176.52
  6. Step 6: Final answer
    x = 122,946.82

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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.