Home / 283,625.44-391,403.19-154,563.95

Finding the Fourth Proportional to 283,625.44, 391,403.19 and 154,563.95

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Solution

The fourth proportional to 283,625.44, 391,403.19 and 154,563.95 is: 213,298.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,625.44 : 391,403.19 = 154,563.95 : x
  2. Step 2: Convert to fraction form
    283,625.44/391,403.19 = 154,563.95/x
  3. Step 3: Cross multiply
    283,625.44x = 391,403.19 × 154,563.95
  4. Step 4: Simplify right side
    283,625.44x = 60,496,823,307.92
  5. Step 5: Solve for x
    x = 60,496,823,307.92/283,625.44
  6. Step 6: Final answer
    x = 213,298.30

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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.