Home / 161,508.93-242,273.12-68,021.97

Finding the Fourth Proportional to 161,508.93, 242,273.12 and 68,021.97

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Solution

The fourth proportional to 161,508.93, 242,273.12 and 68,021.97 is: 102,037.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,508.93 : 242,273.12 = 68,021.97 : x
  2. Step 2: Convert to fraction form
    161,508.93/242,273.12 = 68,021.97/x
  3. Step 3: Cross multiply
    161,508.93x = 242,273.12 × 68,021.97
  4. Step 4: Simplify right side
    161,508.93x = 16,479,894,560.34
  5. Step 5: Solve for x
    x = 16,479,894,560.34/161,508.93
  6. Step 6: Final answer
    x = 102,037.05

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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.