Home / 161,939.44-223,466.30-89,343.26

Finding the Fourth Proportional to 161,939.44, 223,466.30 and 89,343.26

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Solution

The fourth proportional to 161,939.44, 223,466.30 and 89,343.26 is: 123,288.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,939.44 : 223,466.30 = 89,343.26 : x
  2. Step 2: Convert to fraction form
    161,939.44/223,466.30 = 89,343.26/x
  3. Step 3: Cross multiply
    161,939.44x = 223,466.30 × 89,343.26
  4. Step 4: Simplify right side
    161,939.44x = 19,965,207,742.14
  5. Step 5: Solve for x
    x = 19,965,207,742.14/161,939.44
  6. Step 6: Final answer
    x = 123,288.11

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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.