Home / 193,238.20-289,511.70-163,516.60

Finding the Fourth Proportional to 193,238.20, 289,511.70 and 163,516.60

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Solution

The fourth proportional to 193,238.20, 289,511.70 and 163,516.60 is: 244,982.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,238.20 : 289,511.70 = 163,516.60 : x
  2. Step 2: Convert to fraction form
    193,238.20/289,511.70 = 163,516.60/x
  3. Step 3: Cross multiply
    193,238.20x = 289,511.70 × 163,516.60
  4. Step 4: Simplify right side
    193,238.20x = 47,339,968,844.22
  5. Step 5: Solve for x
    x = 47,339,968,844.22/193,238.20
  6. Step 6: Final answer
    x = 244,982.46

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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.