Home / 161,383.43-222,708.54-89,763.46

Finding the Fourth Proportional to 161,383.43, 222,708.54 and 89,763.46

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Solution

The fourth proportional to 161,383.43, 222,708.54 and 89,763.46 is: 123,873.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,383.43 : 222,708.54 = 89,763.46 : x
  2. Step 2: Convert to fraction form
    161,383.43/222,708.54 = 89,763.46/x
  3. Step 3: Cross multiply
    161,383.43x = 222,708.54 × 89,763.46
  4. Step 4: Simplify right side
    161,383.43x = 19,991,089,319.37
  5. Step 5: Solve for x
    x = 19,991,089,319.37/161,383.43
  6. Step 6: Final answer
    x = 123,873.24

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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.