Home / 161,187.42-222,428.42-89,563.26

Finding the Fourth Proportional to 161,187.42, 222,428.42 and 89,563.26

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Solution

The fourth proportional to 161,187.42, 222,428.42 and 89,563.26 is: 123,591.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,187.42 : 222,428.42 = 89,563.26 : x
  2. Step 2: Convert to fraction form
    161,187.42/222,428.42 = 89,563.26/x
  3. Step 3: Cross multiply
    161,187.42x = 222,428.42 × 89,563.26
  4. Step 4: Simplify right side
    161,187.42x = 19,921,414,411.85
  5. Step 5: Solve for x
    x = 19,921,414,411.85/161,187.42
  6. Step 6: Final answer
    x = 123,591.62

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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.