Home / 300,890.24-415,238.64-164,936.60

Finding the Fourth Proportional to 300,890.24, 415,238.64 and 164,936.60

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Solution

The fourth proportional to 300,890.24, 415,238.64 and 164,936.60 is: 227,618.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,890.24 : 415,238.64 = 164,936.60 : x
  2. Step 2: Convert to fraction form
    300,890.24/415,238.64 = 164,936.60/x
  3. Step 3: Cross multiply
    300,890.24x = 415,238.64 × 164,936.60
  4. Step 4: Simplify right side
    300,890.24x = 68,488,049,470.22
  5. Step 5: Solve for x
    x = 68,488,049,470.22/300,890.24
  6. Step 6: Final answer
    x = 227,618.05

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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.