Home / 161,023.44-222,212.88-89,403.60

Finding the Fourth Proportional to 161,023.44, 222,212.88 and 89,403.60

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Solution

The fourth proportional to 161,023.44, 222,212.88 and 89,403.60 is: 123,377.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,023.44 : 222,212.88 = 89,403.60 : x
  2. Step 2: Convert to fraction form
    161,023.44/222,212.88 = 89,403.60/x
  3. Step 3: Cross multiply
    161,023.44x = 222,212.88 × 89,403.60
  4. Step 4: Simplify right side
    161,023.44x = 19,866,631,438.37
  5. Step 5: Solve for x
    x = 19,866,631,438.37/161,023.44
  6. Step 6: Final answer
    x = 123,377.26

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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.