Home / 194,919.44-268,988.75-105,495.44

Finding the Fourth Proportional to 194,919.44, 268,988.75 and 105,495.44

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Solution

The fourth proportional to 194,919.44, 268,988.75 and 105,495.44 is: 145,583.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,919.44 : 268,988.75 = 105,495.44 : x
  2. Step 2: Convert to fraction form
    194,919.44/268,988.75 = 105,495.44/x
  3. Step 3: Cross multiply
    194,919.44x = 268,988.75 × 105,495.44
  4. Step 4: Simplify right side
    194,919.44x = 28,377,086,536.30
  5. Step 5: Solve for x
    x = 28,377,086,536.30/194,919.44
  6. Step 6: Final answer
    x = 145,583.67

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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.