Home / 161,996.91-243,103.82-67,227.18

Finding the Fourth Proportional to 161,996.91, 243,103.82 and 67,227.18

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Solution

The fourth proportional to 161,996.91, 243,103.82 and 67,227.18 is: 100,885.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,996.91 : 243,103.82 = 67,227.18 : x
  2. Step 2: Convert to fraction form
    161,996.91/243,103.82 = 67,227.18/x
  3. Step 3: Cross multiply
    161,996.91x = 243,103.82 × 67,227.18
  4. Step 4: Simplify right side
    161,996.91x = 16,343,184,265.83
  5. Step 5: Solve for x
    x = 16,343,184,265.83/161,996.91
  6. Step 6: Final answer
    x = 100,885.78

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1.5x scale

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.