Home / 156,742.22-235,122.21-50,135.54

Finding the Fourth Proportional to 156,742.22, 235,122.21 and 50,135.54

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Solution

The fourth proportional to 156,742.22, 235,122.21 and 50,135.54 is: 75,206.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,742.22 : 235,122.21 = 50,135.54 : x
  2. Step 2: Convert to fraction form
    156,742.22/235,122.21 = 50,135.54/x
  3. Step 3: Cross multiply
    156,742.22x = 235,122.21 × 50,135.54
  4. Step 4: Simplify right side
    156,742.22x = 11,787,977,788.73
  5. Step 5: Solve for x
    x = 11,787,977,788.73/156,742.22
  6. Step 6: Final answer
    x = 75,206.15

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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.