Home / 156,153.53-234,195.22-71,832.70

Finding the Fourth Proportional to 156,153.53, 234,195.22 and 71,832.70

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Solution

The fourth proportional to 156,153.53, 234,195.22 and 71,832.70 is: 107,732.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,153.53 : 234,195.22 = 71,832.70 : x
  2. Step 2: Convert to fraction form
    156,153.53/234,195.22 = 71,832.70/x
  3. Step 3: Cross multiply
    156,153.53x = 234,195.22 × 71,832.70
  4. Step 4: Simplify right side
    156,153.53x = 16,822,874,214.62
  5. Step 5: Solve for x
    x = 16,822,874,214.62/156,153.53
  6. Step 6: Final answer
    x = 107,732.91

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1.5x scale

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.