Home / 161,677.03-223,105.44-89,077.54

Finding the Fourth Proportional to 161,677.03, 223,105.44 and 89,077.54

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Solution

The fourth proportional to 161,677.03, 223,105.44 and 89,077.54 is: 122,922.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,677.03 : 223,105.44 = 89,077.54 : x
  2. Step 2: Convert to fraction form
    161,677.03/223,105.44 = 89,077.54/x
  3. Step 3: Cross multiply
    161,677.03x = 223,105.44 × 89,077.54
  4. Step 4: Simplify right side
    161,677.03x = 19,873,683,755.82
  5. Step 5: Solve for x
    x = 19,873,683,755.82/161,677.03
  6. Step 6: Final answer
    x = 122,922.12

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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.