Home / 227,216.24-340,447.68-138,200.48

Finding the Fourth Proportional to 227,216.24, 340,447.68 and 138,200.48

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Solution

The fourth proportional to 227,216.24, 340,447.68 and 138,200.48 is: 207,071.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,216.24 : 340,447.68 = 138,200.48 : x
  2. Step 2: Convert to fraction form
    227,216.24/340,447.68 = 138,200.48/x
  3. Step 3: Cross multiply
    227,216.24x = 340,447.68 × 138,200.48
  4. Step 4: Simplify right side
    227,216.24x = 47,050,032,790.89
  5. Step 5: Solve for x
    x = 47,050,032,790.89/227,216.24
  6. Step 6: Final answer
    x = 207,071.61

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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.