Home / 248,713.10-373,142.28-80,229.68

Finding the Fourth Proportional to 248,713.10, 373,142.28 and 80,229.68

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Solution

The fourth proportional to 248,713.10, 373,142.28 and 80,229.68 is: 120,367.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,713.10 : 373,142.28 = 80,229.68 : x
  2. Step 2: Convert to fraction form
    248,713.10/373,142.28 = 80,229.68/x
  3. Step 3: Cross multiply
    248,713.10x = 373,142.28 × 80,229.68
  4. Step 4: Simplify right side
    248,713.10x = 29,937,083,853.16
  5. Step 5: Solve for x
    x = 29,937,083,853.16/248,713.10
  6. Step 6: Final answer
    x = 120,367.94

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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.