Home / 161,906.24-223,431.51-89,311.69

Finding the Fourth Proportional to 161,906.24, 223,431.51 and 89,311.69

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Solution

The fourth proportional to 161,906.24, 223,431.51 and 89,311.69 is: 123,250.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,906.24 : 223,431.51 = 89,311.69 : x
  2. Step 2: Convert to fraction form
    161,906.24/223,431.51 = 89,311.69/x
  3. Step 3: Cross multiply
    161,906.24x = 223,431.51 × 89,311.69
  4. Step 4: Simplify right side
    161,906.24x = 19,955,045,743.16
  5. Step 5: Solve for x
    x = 19,955,045,743.16/161,906.24
  6. Step 6: Final answer
    x = 123,250.63

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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.