Home / 151,944.40-228,121.80-88,829.20

Finding the Fourth Proportional to 151,944.40, 228,121.80 and 88,829.20

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Solution

The fourth proportional to 151,944.40, 228,121.80 and 88,829.20 is: 133,363.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,944.40 : 228,121.80 = 88,829.20 : x
  2. Step 2: Convert to fraction form
    151,944.40/228,121.80 = 88,829.20/x
  3. Step 3: Cross multiply
    151,944.40x = 228,121.80 × 88,829.20
  4. Step 4: Simplify right side
    151,944.40x = 20,263,876,996.56
  5. Step 5: Solve for x
    x = 20,263,876,996.56/151,944.40
  6. Step 6: Final answer
    x = 133,363.76

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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.