Home / 156,911.26-235,234.20-68,098

Finding the Fourth Proportional to 156,911.26, 235,234.20 and 68,098

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Solution

The fourth proportional to 156,911.26, 235,234.20 and 68,098 is: 102,089.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,911.26 : 235,234.20 = 68,098 : x
  2. Step 2: Convert to fraction form
    156,911.26/235,234.20 = 68,098/x
  3. Step 3: Cross multiply
    156,911.26x = 235,234.20 × 68,098
  4. Step 4: Simplify right side
    156,911.26x = 16,018,978,551.60
  5. Step 5: Solve for x
    x = 16,018,978,551.60/156,911.26
  6. Step 6: Final answer
    x = 102,089.41

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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.