Home / 161,202.18-222,452-89,582.80

Finding the Fourth Proportional to 161,202.18, 222,452 and 89,582.80

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Solution

The fourth proportional to 161,202.18, 222,452 and 89,582.80 is: 123,620.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,202.18 : 222,452 = 89,582.80 : x
  2. Step 2: Convert to fraction form
    161,202.18/222,452 = 89,582.80/x
  3. Step 3: Cross multiply
    161,202.18x = 222,452 × 89,582.80
  4. Step 4: Simplify right side
    161,202.18x = 19,927,873,025.60
  5. Step 5: Solve for x
    x = 19,927,873,025.60/161,202.18
  6. Step 6: Final answer
    x = 123,620.37

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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.