Home / 248,930.20-373,395.30-82,718.20

Finding the Fourth Proportional to 248,930.20, 373,395.30 and 82,718.20

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Solution

The fourth proportional to 248,930.20, 373,395.30 and 82,718.20 is: 124,077.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,930.20 : 373,395.30 = 82,718.20 : x
  2. Step 2: Convert to fraction form
    248,930.20/373,395.30 = 82,718.20/x
  3. Step 3: Cross multiply
    248,930.20x = 373,395.30 × 82,718.20
  4. Step 4: Simplify right side
    248,930.20x = 30,886,587,104.46
  5. Step 5: Solve for x
    x = 30,886,587,104.46/248,930.20
  6. Step 6: Final answer
    x = 124,077.30

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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.