Home / 161,178.44-222,416.48-89,556.02

Finding the Fourth Proportional to 161,178.44, 222,416.48 and 89,556.02

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Solution

The fourth proportional to 161,178.44, 222,416.48 and 89,556.02 is: 123,581.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,178.44 : 222,416.48 = 89,556.02 : x
  2. Step 2: Convert to fraction form
    161,178.44/222,416.48 = 89,556.02/x
  3. Step 3: Cross multiply
    161,178.44x = 222,416.48 × 89,556.02
  4. Step 4: Simplify right side
    161,178.44x = 19,918,733,171.35
  5. Step 5: Solve for x
    x = 19,918,733,171.35/161,178.44
  6. Step 6: Final answer
    x = 123,581.87

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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.