Home / 194,615.45-268,578.65-109,730.69

Finding the Fourth Proportional to 194,615.45, 268,578.65 and 109,730.69

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Solution

The fourth proportional to 194,615.45, 268,578.65 and 109,730.69 is: 151,433.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,615.45 : 268,578.65 = 109,730.69 : x
  2. Step 2: Convert to fraction form
    194,615.45/268,578.65 = 109,730.69/x
  3. Step 3: Cross multiply
    194,615.45x = 268,578.65 × 109,730.69
  4. Step 4: Simplify right side
    194,615.45x = 29,471,320,583.77
  5. Step 5: Solve for x
    x = 29,471,320,583.77/194,615.45
  6. Step 6: Final answer
    x = 151,433.61

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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.