Home / 252,815.05-379,277.27-75,336.36

Finding the Fourth Proportional to 252,815.05, 379,277.27 and 75,336.36

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Solution

The fourth proportional to 252,815.05, 379,277.27 and 75,336.36 is: 113,020.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,815.05 : 379,277.27 = 75,336.36 : x
  2. Step 2: Convert to fraction form
    252,815.05/379,277.27 = 75,336.36/x
  3. Step 3: Cross multiply
    252,815.05x = 379,277.27 × 75,336.36
  4. Step 4: Simplify right side
    252,815.05x = 28,573,368,952.54
  5. Step 5: Solve for x
    x = 28,573,368,952.54/252,815.05
  6. Step 6: Final answer
    x = 113,020.84

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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.