Home / 300,884.12-415,216.37-163,060.09

Finding the Fourth Proportional to 300,884.12, 415,216.37 and 163,060.09

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Solution

The fourth proportional to 300,884.12, 415,216.37 and 163,060.09 is: 225,020.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,884.12 : 415,216.37 = 163,060.09 : x
  2. Step 2: Convert to fraction form
    300,884.12/415,216.37 = 163,060.09/x
  3. Step 3: Cross multiply
    300,884.12x = 415,216.37 × 163,060.09
  4. Step 4: Simplify right side
    300,884.12x = 67,705,218,661.67
  5. Step 5: Solve for x
    x = 67,705,218,661.67/300,884.12
  6. Step 6: Final answer
    x = 225,020.91

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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.