Home / 161,028.23-222,214.68-89,406.41

Finding the Fourth Proportional to 161,028.23, 222,214.68 and 89,406.41

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Solution

The fourth proportional to 161,028.23, 222,214.68 and 89,406.41 is: 123,378.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,028.23 : 222,214.68 = 89,406.41 : x
  2. Step 2: Convert to fraction form
    161,028.23/222,214.68 = 89,406.41/x
  3. Step 3: Cross multiply
    161,028.23x = 222,214.68 × 89,406.41
  4. Step 4: Simplify right side
    161,028.23x = 19,867,415,677.03
  5. Step 5: Solve for x
    x = 19,867,415,677.03/161,028.23
  6. Step 6: Final answer
    x = 123,378.47

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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.