Home / 149,919.60-224,620.20-70,863.60

Finding the Fourth Proportional to 149,919.60, 224,620.20 and 70,863.60

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Solution

The fourth proportional to 149,919.60, 224,620.20 and 70,863.60 is: 106,172.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,919.60 : 224,620.20 = 70,863.60 : x
  2. Step 2: Convert to fraction form
    149,919.60/224,620.20 = 70,863.60/x
  3. Step 3: Cross multiply
    149,919.60x = 224,620.20 × 70,863.60
  4. Step 4: Simplify right side
    149,919.60x = 15,917,396,004.72
  5. Step 5: Solve for x
    x = 15,917,396,004.72/149,919.60
  6. Step 6: Final answer
    x = 106,172.88

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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.