Home / 156,826.60-235,239.90-68,122.60

Finding the Fourth Proportional to 156,826.60, 235,239.90 and 68,122.60

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Solution

The fourth proportional to 156,826.60, 235,239.90 and 68,122.60 is: 102,183.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,826.60 : 235,239.90 = 68,122.60 : x
  2. Step 2: Convert to fraction form
    156,826.60/235,239.90 = 68,122.60/x
  3. Step 3: Cross multiply
    156,826.60x = 235,239.90 × 68,122.60
  4. Step 4: Simplify right side
    156,826.60x = 16,025,153,611.74
  5. Step 5: Solve for x
    x = 16,025,153,611.74/156,826.60
  6. Step 6: Final answer
    x = 102,183.90

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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.