Home / 104,252.20-156,378.30-34,138.60

Finding the Fourth Proportional to 104,252.20, 156,378.30 and 34,138.60

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Solution

The fourth proportional to 104,252.20, 156,378.30 and 34,138.60 is: 51,207.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,252.20 : 156,378.30 = 34,138.60 : x
  2. Step 2: Convert to fraction form
    104,252.20/156,378.30 = 34,138.60/x
  3. Step 3: Cross multiply
    104,252.20x = 156,378.30 × 34,138.60
  4. Step 4: Simplify right side
    104,252.20x = 5,338,536,232.38
  5. Step 5: Solve for x
    x = 5,338,536,232.38/104,252.20
  6. Step 6: Final answer
    x = 51,207.90

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1.5x scale

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.