Home / 161,025.82-222,222.57-89,405.84

Finding the Fourth Proportional to 161,025.82, 222,222.57 and 89,405.84

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Solution

The fourth proportional to 161,025.82, 222,222.57 and 89,405.84 is: 123,383.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,025.82 : 222,222.57 = 89,405.84 : x
  2. Step 2: Convert to fraction form
    161,025.82/222,222.57 = 89,405.84/x
  3. Step 3: Cross multiply
    161,025.82x = 222,222.57 × 89,405.84
  4. Step 4: Simplify right side
    161,025.82x = 19,867,995,537.81
  5. Step 5: Solve for x
    x = 19,867,995,537.81/161,025.82
  6. Step 6: Final answer
    x = 123,383.91

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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.