Home / 140,656.44-194,106.06-76,998.24

Finding the Fourth Proportional to 140,656.44, 194,106.06 and 76,998.24

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Solution

The fourth proportional to 140,656.44, 194,106.06 and 76,998.24 is: 106,257.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,656.44 : 194,106.06 = 76,998.24 : x
  2. Step 2: Convert to fraction form
    140,656.44/194,106.06 = 76,998.24/x
  3. Step 3: Cross multiply
    140,656.44x = 194,106.06 × 76,998.24
  4. Step 4: Simplify right side
    140,656.44x = 14,945,824,993.33
  5. Step 5: Solve for x
    x = 14,945,824,993.33/140,656.44
  6. Step 6: Final answer
    x = 106,257.67

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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.