Home / 300,724.94-414,984.54-164,733.68

Finding the Fourth Proportional to 300,724.94, 414,984.54 and 164,733.68

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Solution

The fourth proportional to 300,724.94, 414,984.54 and 164,733.68 is: 227,323.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,724.94 : 414,984.54 = 164,733.68 : x
  2. Step 2: Convert to fraction form
    300,724.94/414,984.54 = 164,733.68/x
  3. Step 3: Cross multiply
    300,724.94x = 414,984.54 × 164,733.68
  4. Step 4: Simplify right side
    300,724.94x = 68,361,930,417.31
  5. Step 5: Solve for x
    x = 68,361,930,417.31/300,724.94
  6. Step 6: Final answer
    x = 227,323.78

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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.