Home / 161,486.42-222,620.29-113,591.12

Finding the Fourth Proportional to 161,486.42, 222,620.29 and 113,591.12

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Solution

The fourth proportional to 161,486.42, 222,620.29 and 113,591.12 is: 156,593.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,486.42 : 222,620.29 = 113,591.12 : x
  2. Step 2: Convert to fraction form
    161,486.42/222,620.29 = 113,591.12/x
  3. Step 3: Cross multiply
    161,486.42x = 222,620.29 × 113,591.12
  4. Step 4: Simplify right side
    161,486.42x = 25,287,686,678.75
  5. Step 5: Solve for x
    x = 25,287,686,678.75/161,486.42
  6. Step 6: Final answer
    x = 156,593.28

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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.