Home / 274,121.10-410,973.26-189,656.73

Finding the Fourth Proportional to 274,121.10, 410,973.26 and 189,656.73

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Solution

The fourth proportional to 274,121.10, 410,973.26 and 189,656.73 is: 284,340.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,121.10 : 410,973.26 = 189,656.73 : x
  2. Step 2: Convert to fraction form
    274,121.10/410,973.26 = 189,656.73/x
  3. Step 3: Cross multiply
    274,121.10x = 410,973.26 × 189,656.73
  4. Step 4: Simplify right side
    274,121.10x = 77,943,843,660.76
  5. Step 5: Solve for x
    x = 77,943,843,660.76/274,121.10
  6. Step 6: Final answer
    x = 284,340.91

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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.