Home / 215,906.44-298,071.33-151,573.09

Finding the Fourth Proportional to 215,906.44, 298,071.33 and 151,573.09

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Solution

The fourth proportional to 215,906.44, 298,071.33 and 151,573.09 is: 209,255.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,906.44 : 298,071.33 = 151,573.09 : x
  2. Step 2: Convert to fraction form
    215,906.44/298,071.33 = 151,573.09/x
  3. Step 3: Cross multiply
    215,906.44x = 298,071.33 × 151,573.09
  4. Step 4: Simplify right side
    215,906.44x = 45,179,591,038.15
  5. Step 5: Solve for x
    x = 45,179,591,038.15/215,906.44
  6. Step 6: Final answer
    x = 209,255.42

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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.