Home / 156,917.50-235,243.57-68,104.24

Finding the Fourth Proportional to 156,917.50, 235,243.57 and 68,104.24

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Solution

The fourth proportional to 156,917.50, 235,243.57 and 68,104.24 is: 102,098.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,917.50 : 235,243.57 = 68,104.24 : x
  2. Step 2: Convert to fraction form
    156,917.50/235,243.57 = 68,104.24/x
  3. Step 3: Cross multiply
    156,917.50x = 235,243.57 × 68,104.24
  4. Step 4: Simplify right side
    156,917.50x = 16,021,084,549.74
  5. Step 5: Solve for x
    x = 16,021,084,549.74/156,917.50
  6. Step 6: Final answer
    x = 102,098.78

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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.