Home / 203,917.60-305,876.40-156,623.73

Finding the Fourth Proportional to 203,917.60, 305,876.40 and 156,623.73

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Solution

The fourth proportional to 203,917.60, 305,876.40 and 156,623.73 is: 234,935.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,917.60 : 305,876.40 = 156,623.73 : x
  2. Step 2: Convert to fraction form
    203,917.60/305,876.40 = 156,623.73/x
  3. Step 3: Cross multiply
    203,917.60x = 305,876.40 × 156,623.73
  4. Step 4: Simplify right side
    203,917.60x = 47,907,502,686.97
  5. Step 5: Solve for x
    x = 47,907,502,686.97/203,917.60
  6. Step 6: Final answer
    x = 234,935.60

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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.