Home / 156,965.30-235,487.64-68,234.66

Finding the Fourth Proportional to 156,965.30, 235,487.64 and 68,234.66

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Solution

The fourth proportional to 156,965.30, 235,487.64 and 68,234.66 is: 102,369.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,965.30 : 235,487.64 = 68,234.66 : x
  2. Step 2: Convert to fraction form
    156,965.30/235,487.64 = 68,234.66/x
  3. Step 3: Cross multiply
    156,965.30x = 235,487.64 × 68,234.66
  4. Step 4: Simplify right side
    156,965.30x = 16,068,419,049.60
  5. Step 5: Solve for x
    x = 16,068,419,049.60/156,965.30
  6. Step 6: Final answer
    x = 102,369.24

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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.