Home / 152,618.40-228,733.20-111,016.80

Finding the Fourth Proportional to 152,618.40, 228,733.20 and 111,016.80

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Solution

The fourth proportional to 152,618.40, 228,733.20 and 111,016.80 is: 166,383.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,618.40 : 228,733.20 = 111,016.80 : x
  2. Step 2: Convert to fraction form
    152,618.40/228,733.20 = 111,016.80/x
  3. Step 3: Cross multiply
    152,618.40x = 228,733.20 × 111,016.80
  4. Step 4: Simplify right side
    152,618.40x = 25,393,227,917.76
  5. Step 5: Solve for x
    x = 25,393,227,917.76/152,618.40
  6. Step 6: Final answer
    x = 166,383.79

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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.