Home / 156,156.53-234,199.70-71,835.71

Finding the Fourth Proportional to 156,156.53, 234,199.70 and 71,835.71

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Solution

The fourth proportional to 156,156.53, 234,199.70 and 71,835.71 is: 107,737.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,156.53 : 234,199.70 = 71,835.71 : x
  2. Step 2: Convert to fraction form
    156,156.53/234,199.70 = 71,835.71/x
  3. Step 3: Cross multiply
    156,156.53x = 234,199.70 × 71,835.71
  4. Step 4: Simplify right side
    156,156.53x = 16,823,900,739.88
  5. Step 5: Solve for x
    x = 16,823,900,739.88/156,156.53
  6. Step 6: Final answer
    x = 107,737.42

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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.