Home / 193,099.47-289,609.61-73,115.03

Finding the Fourth Proportional to 193,099.47, 289,609.61 and 73,115.03

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Solution

The fourth proportional to 193,099.47, 289,609.61 and 73,115.03 is: 109,657.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,099.47 : 289,609.61 = 73,115.03 : x
  2. Step 2: Convert to fraction form
    193,099.47/289,609.61 = 73,115.03/x
  3. Step 3: Cross multiply
    193,099.47x = 289,609.61 × 73,115.03
  4. Step 4: Simplify right side
    193,099.47x = 21,174,815,323.44
  5. Step 5: Solve for x
    x = 21,174,815,323.44/193,099.47
  6. Step 6: Final answer
    x = 109,657.55

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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.