Home / 104,128.50-156,198.81-29,254.48

Finding the Fourth Proportional to 104,128.50, 156,198.81 and 29,254.48

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Solution

The fourth proportional to 104,128.50, 156,198.81 and 29,254.48 is: 43,883.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,128.50 : 156,198.81 = 29,254.48 : x
  2. Step 2: Convert to fraction form
    104,128.50/156,198.81 = 29,254.48/x
  3. Step 3: Cross multiply
    104,128.50x = 156,198.81 × 29,254.48
  4. Step 4: Simplify right side
    104,128.50x = 4,569,515,396.44
  5. Step 5: Solve for x
    x = 4,569,515,396.44/104,128.50
  6. Step 6: Final answer
    x = 43,883.43

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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.