Home / 161,049.93-222,249.60-89,429.73

Finding the Fourth Proportional to 161,049.93, 222,249.60 and 89,429.73

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Solution

The fourth proportional to 161,049.93, 222,249.60 and 89,429.73 is: 123,413.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,049.93 : 222,249.60 = 89,429.73 : x
  2. Step 2: Convert to fraction form
    161,049.93/222,249.60 = 89,429.73/x
  3. Step 3: Cross multiply
    161,049.93x = 222,249.60 × 89,429.73
  4. Step 4: Simplify right side
    161,049.93x = 19,875,721,720.61
  5. Step 5: Solve for x
    x = 19,875,721,720.61/161,049.93
  6. Step 6: Final answer
    x = 123,413.41

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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.