Home / 215,087.92-322,351.56-109,818.16

Finding the Fourth Proportional to 215,087.92, 322,351.56 and 109,818.16

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Solution

The fourth proportional to 215,087.92, 322,351.56 and 109,818.16 is: 164,584.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,087.92 : 322,351.56 = 109,818.16 : x
  2. Step 2: Convert to fraction form
    215,087.92/322,351.56 = 109,818.16/x
  3. Step 3: Cross multiply
    215,087.92x = 322,351.56 × 109,818.16
  4. Step 4: Simplify right side
    215,087.92x = 35,400,055,192.33
  5. Step 5: Solve for x
    x = 35,400,055,192.33/215,087.92
  6. Step 6: Final answer
    x = 164,584.12

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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.