Home / 161,261.82-222,543.99-88,667.73

Finding the Fourth Proportional to 161,261.82, 222,543.99 and 88,667.73

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Solution

The fourth proportional to 161,261.82, 222,543.99 and 88,667.73 is: 122,362.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,261.82 : 222,543.99 = 88,667.73 : x
  2. Step 2: Convert to fraction form
    161,261.82/222,543.99 = 88,667.73/x
  3. Step 3: Cross multiply
    161,261.82x = 222,543.99 × 88,667.73
  4. Step 4: Simplify right side
    161,261.82x = 19,732,470,418.44
  5. Step 5: Solve for x
    x = 19,732,470,418.44/161,261.82
  6. Step 6: Final answer
    x = 122,362.94

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1.5x scale

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.