Home / 161,370.54-222,690.09-88,771.86

Finding the Fourth Proportional to 161,370.54, 222,690.09 and 88,771.86

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Solution

The fourth proportional to 161,370.54, 222,690.09 and 88,771.86 is: 122,504.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,370.54 : 222,690.09 = 88,771.86 : x
  2. Step 2: Convert to fraction form
    161,370.54/222,690.09 = 88,771.86/x
  3. Step 3: Cross multiply
    161,370.54x = 222,690.09 × 88,771.86
  4. Step 4: Simplify right side
    161,370.54x = 19,768,613,492.87
  5. Step 5: Solve for x
    x = 19,768,613,492.87/161,370.54
  6. Step 6: Final answer
    x = 122,504.48

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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.