Home / 156,223.89-234,709.68-100,173.81

Finding the Fourth Proportional to 156,223.89, 234,709.68 and 100,173.81

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Solution

The fourth proportional to 156,223.89, 234,709.68 and 100,173.81 is: 150,500.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,223.89 : 234,709.68 = 100,173.81 : x
  2. Step 2: Convert to fraction form
    156,223.89/234,709.68 = 100,173.81/x
  3. Step 3: Cross multiply
    156,223.89x = 234,709.68 × 100,173.81
  4. Step 4: Simplify right side
    156,223.89x = 23,511,762,388.61
  5. Step 5: Solve for x
    x = 23,511,762,388.61/156,223.89
  6. Step 6: Final answer
    x = 150,500.43

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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.