Home / 104,140.68-156,209.64-25,255.62

Finding the Fourth Proportional to 104,140.68, 156,209.64 and 25,255.62

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Solution

The fourth proportional to 104,140.68, 156,209.64 and 25,255.62 is: 37,883.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,140.68 : 156,209.64 = 25,255.62 : x
  2. Step 2: Convert to fraction form
    104,140.68/156,209.64 = 25,255.62/x
  3. Step 3: Cross multiply
    104,140.68x = 156,209.64 × 25,255.62
  4. Step 4: Simplify right side
    104,140.68x = 3,945,171,308.18
  5. Step 5: Solve for x
    x = 3,945,171,308.18/104,140.68
  6. Step 6: Final answer
    x = 37,883.10

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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.