Home / 193,253.62-289,899.86-71,707.44

Finding the Fourth Proportional to 193,253.62, 289,899.86 and 71,707.44

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Solution

The fourth proportional to 193,253.62, 289,899.86 and 71,707.44 is: 107,568.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,253.62 : 289,899.86 = 71,707.44 : x
  2. Step 2: Convert to fraction form
    193,253.62/289,899.86 = 71,707.44/x
  3. Step 3: Cross multiply
    193,253.62x = 289,899.86 × 71,707.44
  4. Step 4: Simplify right side
    193,253.62x = 20,787,976,816.96
  5. Step 5: Solve for x
    x = 20,787,976,816.96/193,253.62
  6. Step 6: Final answer
    x = 107,568.37

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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.