Home / 193,539.20-289,725.60-170,211.20

Finding the Fourth Proportional to 193,539.20, 289,725.60 and 170,211.20

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Solution

The fourth proportional to 193,539.20, 289,725.60 and 170,211.20 is: 254,803.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,539.20 : 289,725.60 = 170,211.20 : x
  2. Step 2: Convert to fraction form
    193,539.20/289,725.60 = 170,211.20/x
  3. Step 3: Cross multiply
    193,539.20x = 289,725.60 × 170,211.20
  4. Step 4: Simplify right side
    193,539.20x = 49,314,542,046.72
  5. Step 5: Solve for x
    x = 49,314,542,046.72/193,539.20
  6. Step 6: Final answer
    x = 254,803.90

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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.