Home / 104,270.40-156,404.08-25,384.80

Finding the Fourth Proportional to 104,270.40, 156,404.08 and 25,384.80

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Solution

The fourth proportional to 104,270.40, 156,404.08 and 25,384.80 is: 38,076.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,270.40 : 156,404.08 = 25,384.80 : x
  2. Step 2: Convert to fraction form
    104,270.40/156,404.08 = 25,384.80/x
  3. Step 3: Cross multiply
    104,270.40x = 156,404.08 × 25,384.80
  4. Step 4: Simplify right side
    104,270.40x = 3,970,286,289.98
  5. Step 5: Solve for x
    x = 3,970,286,289.98/104,270.40
  6. Step 6: Final answer
    x = 38,076.83

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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.