Home / 248,628.20-372,942.30-82,416.20

Finding the Fourth Proportional to 248,628.20, 372,942.30 and 82,416.20

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Solution

The fourth proportional to 248,628.20, 372,942.30 and 82,416.20 is: 123,624.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,628.20 : 372,942.30 = 82,416.20 : x
  2. Step 2: Convert to fraction form
    248,628.20/372,942.30 = 82,416.20/x
  3. Step 3: Cross multiply
    248,628.20x = 372,942.30 × 82,416.20
  4. Step 4: Simplify right side
    248,628.20x = 30,736,487,185.26
  5. Step 5: Solve for x
    x = 30,736,487,185.26/248,628.20
  6. Step 6: Final answer
    x = 123,624.30

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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.