Home / 300,583.52-415,086.26-193,339.73

Finding the Fourth Proportional to 300,583.52, 415,086.26 and 193,339.73

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Solution

The fourth proportional to 300,583.52, 415,086.26 and 193,339.73 is: 266,989.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,583.52 : 415,086.26 = 193,339.73 : x
  2. Step 2: Convert to fraction form
    300,583.52/415,086.26 = 193,339.73/x
  3. Step 3: Cross multiply
    300,583.52x = 415,086.26 × 193,339.73
  4. Step 4: Simplify right side
    300,583.52x = 80,252,662,392.98
  5. Step 5: Solve for x
    x = 80,252,662,392.98/300,583.52
  6. Step 6: Final answer
    x = 266,989.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.