Home / 161,905.44-223,449.78-93,016.44

Finding the Fourth Proportional to 161,905.44, 223,449.78 and 93,016.44

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Solution

The fourth proportional to 161,905.44, 223,449.78 and 93,016.44 is: 128,374.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,905.44 : 223,449.78 = 93,016.44 : x
  2. Step 2: Convert to fraction form
    161,905.44/223,449.78 = 93,016.44/x
  3. Step 3: Cross multiply
    161,905.44x = 223,449.78 × 93,016.44
  4. Step 4: Simplify right side
    161,905.44x = 20,784,503,054.38
  5. Step 5: Solve for x
    x = 20,784,503,054.38/161,905.44
  6. Step 6: Final answer
    x = 128,374.33

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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.