Home / 193,511.20-289,610.70-169,891.60

Finding the Fourth Proportional to 193,511.20, 289,610.70 and 169,891.60

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Solution

The fourth proportional to 193,511.20, 289,610.70 and 169,891.60 is: 254,261.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,511.20 : 289,610.70 = 169,891.60 : x
  2. Step 2: Convert to fraction form
    193,511.20/289,610.70 = 169,891.60/x
  3. Step 3: Cross multiply
    193,511.20x = 289,610.70 × 169,891.60
  4. Step 4: Simplify right side
    193,511.20x = 49,202,425,200.12
  5. Step 5: Solve for x
    x = 49,202,425,200.12/193,511.20
  6. Step 6: Final answer
    x = 254,261.38

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1.5x scale

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.