Home / 161,418.93-222,757.95-89,797.41

Finding the Fourth Proportional to 161,418.93, 222,757.95 and 89,797.41

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Solution

The fourth proportional to 161,418.93, 222,757.95 and 89,797.41 is: 123,920.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,418.93 : 222,757.95 = 89,797.41 : x
  2. Step 2: Convert to fraction form
    161,418.93/222,757.95 = 89,797.41/x
  3. Step 3: Cross multiply
    161,418.93x = 222,757.95 × 89,797.41
  4. Step 4: Simplify right side
    161,418.93x = 20,003,086,798.54
  5. Step 5: Solve for x
    x = 20,003,086,798.54/161,418.93
  6. Step 6: Final answer
    x = 123,920.33

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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.