Home / 161,067.20-222,237.36-97,403.60

Finding the Fourth Proportional to 161,067.20, 222,237.36 and 97,403.60

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Solution

The fourth proportional to 161,067.20, 222,237.36 and 97,403.60 is: 134,395.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,067.20 : 222,237.36 = 97,403.60 : x
  2. Step 2: Convert to fraction form
    161,067.20/222,237.36 = 97,403.60/x
  3. Step 3: Cross multiply
    161,067.20x = 222,237.36 × 97,403.60
  4. Step 4: Simplify right side
    161,067.20x = 21,646,718,918.50
  5. Step 5: Solve for x
    x = 21,646,718,918.50/161,067.20
  6. Step 6: Final answer
    x = 134,395.57

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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.