Home / 283,579.23-391,337.10-154,517.25

Finding the Fourth Proportional to 283,579.23, 391,337.10 and 154,517.25

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Solution

The fourth proportional to 283,579.23, 391,337.10 and 154,517.25 is: 213,232.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,579.23 : 391,337.10 = 154,517.25 : x
  2. Step 2: Convert to fraction form
    283,579.23/391,337.10 = 154,517.25/x
  3. Step 3: Cross multiply
    283,579.23x = 391,337.10 × 154,517.25
  4. Step 4: Simplify right side
    283,579.23x = 60,468,332,514.98
  5. Step 5: Solve for x
    x = 60,468,332,514.98/283,579.23
  6. Step 6: Final answer
    x = 213,232.59

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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.