Home / 161,546.46-242,358.57-68,078.94

Finding the Fourth Proportional to 161,546.46, 242,358.57 and 68,078.94

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Solution

The fourth proportional to 161,546.46, 242,358.57 and 68,078.94 is: 102,134.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,546.46 : 242,358.57 = 68,078.94 : x
  2. Step 2: Convert to fraction form
    161,546.46/242,358.57 = 68,078.94/x
  3. Step 3: Cross multiply
    161,546.46x = 242,358.57 × 68,078.94
  4. Step 4: Simplify right side
    161,546.46x = 16,499,514,545.52
  5. Step 5: Solve for x
    x = 16,499,514,545.52/161,546.46
  6. Step 6: Final answer
    x = 102,134.79

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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.