Home / 151,940.40-228,115.80-88,825.20

Finding the Fourth Proportional to 151,940.40, 228,115.80 and 88,825.20

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Solution

The fourth proportional to 151,940.40, 228,115.80 and 88,825.20 is: 133,357.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,940.40 : 228,115.80 = 88,825.20 : x
  2. Step 2: Convert to fraction form
    151,940.40/228,115.80 = 88,825.20/x
  3. Step 3: Cross multiply
    151,940.40x = 228,115.80 × 88,825.20
  4. Step 4: Simplify right side
    151,940.40x = 20,262,431,558.16
  5. Step 5: Solve for x
    x = 20,262,431,558.16/151,940.40
  6. Step 6: Final answer
    x = 133,357.76

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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.