Home / 226,636.69-312,766.31-124,669.73

Finding the Fourth Proportional to 226,636.69, 312,766.31 and 124,669.73

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Solution

The fourth proportional to 226,636.69, 312,766.31 and 124,669.73 is: 172,048.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,636.69 : 312,766.31 = 124,669.73 : x
  2. Step 2: Convert to fraction form
    226,636.69/312,766.31 = 124,669.73/x
  3. Step 3: Cross multiply
    226,636.69x = 312,766.31 × 124,669.73
  4. Step 4: Simplify right side
    226,636.69x = 38,992,490,797.45
  5. Step 5: Solve for x
    x = 38,992,490,797.45/226,636.69
  6. Step 6: Final answer
    x = 172,048.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.