Home / 120,524.22-166,389.66-82,341.18

Finding the Fourth Proportional to 120,524.22, 166,389.66 and 82,341.18

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Solution

The fourth proportional to 120,524.22, 166,389.66 and 82,341.18 is: 113,676.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,524.22 : 166,389.66 = 82,341.18 : x
  2. Step 2: Convert to fraction form
    120,524.22/166,389.66 = 82,341.18/x
  3. Step 3: Cross multiply
    120,524.22x = 166,389.66 × 82,341.18
  4. Step 4: Simplify right side
    120,524.22x = 13,700,720,944.20
  5. Step 5: Solve for x
    x = 13,700,720,944.20/120,524.22
  6. Step 6: Final answer
    x = 113,676.08

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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.