Home / 193,029.27-289,445.18-80,678.83

Finding the Fourth Proportional to 193,029.27, 289,445.18 and 80,678.83

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Solution

The fourth proportional to 193,029.27, 289,445.18 and 80,678.83 is: 120,976.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,029.27 : 289,445.18 = 80,678.83 : x
  2. Step 2: Convert to fraction form
    193,029.27/289,445.18 = 80,678.83/x
  3. Step 3: Cross multiply
    193,029.27x = 289,445.18 × 80,678.83
  4. Step 4: Simplify right side
    193,029.27x = 23,352,096,620.92
  5. Step 5: Solve for x
    x = 23,352,096,620.92/193,029.27
  6. Step 6: Final answer
    x = 120,976.98

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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.