Home / 161,317.12-222,618.24-110,928.64

Finding the Fourth Proportional to 161,317.12, 222,618.24 and 110,928.64

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Solution

The fourth proportional to 161,317.12, 222,618.24 and 110,928.64 is: 153,081.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,317.12 : 222,618.24 = 110,928.64 : x
  2. Step 2: Convert to fraction form
    161,317.12/222,618.24 = 110,928.64/x
  3. Step 3: Cross multiply
    161,317.12x = 222,618.24 × 110,928.64
  4. Step 4: Simplify right side
    161,317.12x = 24,694,738,602.39
  5. Step 5: Solve for x
    x = 24,694,738,602.39/161,317.12
  6. Step 6: Final answer
    x = 153,081.95

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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.