Home / 222,676.21-307,297.11-120,705.06

Finding the Fourth Proportional to 222,676.21, 307,297.11 and 120,705.06

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Solution

The fourth proportional to 222,676.21, 307,297.11 and 120,705.06 is: 166,575.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,676.21 : 307,297.11 = 120,705.06 : x
  2. Step 2: Convert to fraction form
    222,676.21/307,297.11 = 120,705.06/x
  3. Step 3: Cross multiply
    222,676.21x = 307,297.11 × 120,705.06
  4. Step 4: Simplify right side
    222,676.21x = 37,092,315,297.87
  5. Step 5: Solve for x
    x = 37,092,315,297.87/222,676.21
  6. Step 6: Final answer
    x = 166,575.11

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1.5x scale

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.