Home / 161,494.20-222,720.12-113,071.32

Finding the Fourth Proportional to 161,494.20, 222,720.12 and 113,071.32

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Solution

The fourth proportional to 161,494.20, 222,720.12 and 113,071.32 is: 155,939.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,494.20 : 222,720.12 = 113,071.32 : x
  2. Step 2: Convert to fraction form
    161,494.20/222,720.12 = 113,071.32/x
  3. Step 3: Cross multiply
    161,494.20x = 222,720.12 × 113,071.32
  4. Step 4: Simplify right side
    161,494.20x = 25,183,257,958.96
  5. Step 5: Solve for x
    x = 25,183,257,958.96/161,494.20
  6. Step 6: Final answer
    x = 155,939.09

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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.