Home / 283,635.96-391,410.41-154,577.75

Finding the Fourth Proportional to 283,635.96, 391,410.41 and 154,577.75

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Solution

The fourth proportional to 283,635.96, 391,410.41 and 154,577.75 is: 213,313.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,635.96 : 391,410.41 = 154,577.75 : x
  2. Step 2: Convert to fraction form
    283,635.96/391,410.41 = 154,577.75/x
  3. Step 3: Cross multiply
    283,635.96x = 391,410.41 × 154,577.75
  4. Step 4: Simplify right side
    283,635.96x = 60,503,341,869.35
  5. Step 5: Solve for x
    x = 60,503,341,869.35/283,635.96
  6. Step 6: Final answer
    x = 213,313.37

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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.