Home / 156,626.80-234,940.20-38,299.30

Finding the Fourth Proportional to 156,626.80, 234,940.20 and 38,299.30

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Solution

The fourth proportional to 156,626.80, 234,940.20 and 38,299.30 is: 57,448.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,626.80 : 234,940.20 = 38,299.30 : x
  2. Step 2: Convert to fraction form
    156,626.80/234,940.20 = 38,299.30/x
  3. Step 3: Cross multiply
    156,626.80x = 234,940.20 × 38,299.30
  4. Step 4: Simplify right side
    156,626.80x = 8,998,045,201.86
  5. Step 5: Solve for x
    x = 8,998,045,201.86/156,626.80
  6. Step 6: Final answer
    x = 57,448.95

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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.