Home / 193,137.01-289,680.91-74,727.36

Finding the Fourth Proportional to 193,137.01, 289,680.91 and 74,727.36

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Solution

The fourth proportional to 193,137.01, 289,680.91 and 74,727.36 is: 112,081.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,137.01 : 289,680.91 = 74,727.36 : x
  2. Step 2: Convert to fraction form
    193,137.01/289,680.91 = 74,727.36/x
  3. Step 3: Cross multiply
    193,137.01x = 289,680.91 × 74,727.36
  4. Step 4: Simplify right side
    193,137.01x = 21,647,089,459.88
  5. Step 5: Solve for x
    x = 21,647,089,459.88/193,137.01
  6. Step 6: Final answer
    x = 112,081.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.