Home / 156,778.32-235,183.05-50,135.48

Finding the Fourth Proportional to 156,778.32, 235,183.05 and 50,135.48

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Solution

The fourth proportional to 156,778.32, 235,183.05 and 50,135.48 is: 75,208.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,778.32 : 235,183.05 = 50,135.48 : x
  2. Step 2: Convert to fraction form
    156,778.32/235,183.05 = 50,135.48/x
  3. Step 3: Cross multiply
    156,778.32x = 235,183.05 × 50,135.48
  4. Step 4: Simplify right side
    156,778.32x = 11,791,014,805.64
  5. Step 5: Solve for x
    x = 11,791,014,805.64/156,778.32
  6. Step 6: Final answer
    x = 75,208.20

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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.