Home / 215,836.92-297,884.25-123,992.10

Finding the Fourth Proportional to 215,836.92, 297,884.25 and 123,992.10

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Solution

The fourth proportional to 215,836.92, 297,884.25 and 123,992.10 is: 171,125.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,836.92 : 297,884.25 = 123,992.10 : x
  2. Step 2: Convert to fraction form
    215,836.92/297,884.25 = 123,992.10/x
  3. Step 3: Cross multiply
    215,836.92x = 297,884.25 × 123,992.10
  4. Step 4: Simplify right side
    215,836.92x = 36,935,293,714.43
  5. Step 5: Solve for x
    x = 36,935,293,714.43/215,836.92
  6. Step 6: Final answer
    x = 171,125.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.