Home / 283,474.62-391,197.60-156,150.72

Finding the Fourth Proportional to 283,474.62, 391,197.60 and 156,150.72

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Solution

The fourth proportional to 283,474.62, 391,197.60 and 156,150.72 is: 215,489.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,474.62 : 391,197.60 = 156,150.72 : x
  2. Step 2: Convert to fraction form
    283,474.62/391,197.60 = 156,150.72/x
  3. Step 3: Cross multiply
    283,474.62x = 391,197.60 × 156,150.72
  4. Step 4: Simplify right side
    283,474.62x = 61,085,786,902.27
  5. Step 5: Solve for x
    x = 61,085,786,902.27/283,474.62
  6. Step 6: Final answer
    x = 215,489.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.