Home / 205,257.35-307,974.72-110,376.63

Finding the Fourth Proportional to 205,257.35, 307,974.72 and 110,376.63

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Solution

The fourth proportional to 205,257.35, 307,974.72 and 110,376.63 is: 165,612.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,257.35 : 307,974.72 = 110,376.63 : x
  2. Step 2: Convert to fraction form
    205,257.35/307,974.72 = 110,376.63/x
  3. Step 3: Cross multiply
    205,257.35x = 307,974.72 × 110,376.63
  4. Step 4: Simplify right side
    205,257.35x = 33,993,211,718.79
  5. Step 5: Solve for x
    x = 33,993,211,718.79/205,257.35
  6. Step 6: Final answer
    x = 165,612.64

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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.