Home / 283,558.23-391,310.37-156,232.71

Finding the Fourth Proportional to 283,558.23, 391,310.37 and 156,232.71

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Solution

The fourth proportional to 283,558.23, 391,310.37 and 156,232.71 is: 215,601.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,558.23 : 391,310.37 = 156,232.71 : x
  2. Step 2: Convert to fraction form
    283,558.23/391,310.37 = 156,232.71/x
  3. Step 3: Cross multiply
    283,558.23x = 391,310.37 × 156,232.71
  4. Step 4: Simplify right side
    283,558.23x = 61,135,479,556.20
  5. Step 5: Solve for x
    x = 61,135,479,556.20/283,558.23
  6. Step 6: Final answer
    x = 215,601.15

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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.