Home / 161,021.22-241,531.82-61,157.78

Finding the Fourth Proportional to 161,021.22, 241,531.82 and 61,157.78

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Solution

The fourth proportional to 161,021.22, 241,531.82 and 61,157.78 is: 91,736.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,021.22 : 241,531.82 = 61,157.78 : x
  2. Step 2: Convert to fraction form
    161,021.22/241,531.82 = 61,157.78/x
  3. Step 3: Cross multiply
    161,021.22x = 241,531.82 × 61,157.78
  4. Step 4: Simplify right side
    161,021.22x = 14,771,551,234.83
  5. Step 5: Solve for x
    x = 14,771,551,234.83/161,021.22
  6. Step 6: Final answer
    x = 91,736.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.