Home / 104,515.96-156,772.40-25,630.80

Finding the Fourth Proportional to 104,515.96, 156,772.40 and 25,630.80

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Solution

The fourth proportional to 104,515.96, 156,772.40 and 25,630.80 is: 38,445.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,515.96 : 156,772.40 = 25,630.80 : x
  2. Step 2: Convert to fraction form
    104,515.96/156,772.40 = 25,630.80/x
  3. Step 3: Cross multiply
    104,515.96x = 156,772.40 × 25,630.80
  4. Step 4: Simplify right side
    104,515.96x = 4,018,202,029.92
  5. Step 5: Solve for x
    x = 4,018,202,029.92/104,515.96
  6. Step 6: Final answer
    x = 38,445.82

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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.