Home / 283,600.82-391,364.07-154,540.41

Finding the Fourth Proportional to 283,600.82, 391,364.07 and 154,540.41

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Solution

The fourth proportional to 283,600.82, 391,364.07 and 154,540.41 is: 213,263.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,600.82 : 391,364.07 = 154,540.41 : x
  2. Step 2: Convert to fraction form
    283,600.82/391,364.07 = 154,540.41/x
  3. Step 3: Cross multiply
    283,600.82x = 391,364.07 × 154,540.41
  4. Step 4: Simplify right side
    283,600.82x = 60,481,563,837.07
  5. Step 5: Solve for x
    x = 60,481,563,837.07/283,600.82
  6. Step 6: Final answer
    x = 213,263.01

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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.