Home / 161,486.40-222,620.28-113,591.10

Finding the Fourth Proportional to 161,486.40, 222,620.28 and 113,591.10

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Solution

The fourth proportional to 161,486.40, 222,620.28 and 113,591.10 is: 156,593.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,486.40 : 222,620.28 = 113,591.10 : x
  2. Step 2: Convert to fraction form
    161,486.40/222,620.28 = 113,591.10/x
  3. Step 3: Cross multiply
    161,486.40x = 222,620.28 × 113,591.10
  4. Step 4: Simplify right side
    161,486.40x = 25,287,682,487.51
  5. Step 5: Solve for x
    x = 25,287,682,487.51/161,486.40
  6. Step 6: Final answer
    x = 156,593.26

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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.