Home / 248,836.40-372,844.20-143,471.60

Finding the Fourth Proportional to 248,836.40, 372,844.20 and 143,471.60

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Solution

The fourth proportional to 248,836.40, 372,844.20 and 143,471.60 is: 214,970.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,836.40 : 372,844.20 = 143,471.60 : x
  2. Step 2: Convert to fraction form
    248,836.40/372,844.20 = 143,471.60/x
  3. Step 3: Cross multiply
    248,836.40x = 372,844.20 × 143,471.60
  4. Step 4: Simplify right side
    248,836.40x = 53,492,553,924.72
  5. Step 5: Solve for x
    x = 53,492,553,924.72/248,836.40
  6. Step 6: Final answer
    x = 214,970.78

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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.