Home / 156,234.96-215,604.06-84,614.94

Finding the Fourth Proportional to 156,234.96, 215,604.06 and 84,614.94

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Solution

The fourth proportional to 156,234.96, 215,604.06 and 84,614.94 is: 116,768.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,234.96 : 215,604.06 = 84,614.94 : x
  2. Step 2: Convert to fraction form
    156,234.96/215,604.06 = 84,614.94/x
  3. Step 3: Cross multiply
    156,234.96x = 215,604.06 × 84,614.94
  4. Step 4: Simplify right side
    156,234.96x = 18,243,324,600.66
  5. Step 5: Solve for x
    x = 18,243,324,600.66/156,234.96
  6. Step 6: Final answer
    x = 116,768.52

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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.