Home / 143,459.69-197,966.43-79,793.37

Finding the Fourth Proportional to 143,459.69, 197,966.43 and 79,793.37

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Solution

The fourth proportional to 143,459.69, 197,966.43 and 79,793.37 is: 110,110.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,459.69 : 197,966.43 = 79,793.37 : x
  2. Step 2: Convert to fraction form
    143,459.69/197,966.43 = 79,793.37/x
  3. Step 3: Cross multiply
    143,459.69x = 197,966.43 × 79,793.37
  4. Step 4: Simplify right side
    143,459.69x = 15,796,408,596.57
  5. Step 5: Solve for x
    x = 15,796,408,596.57/143,459.69
  6. Step 6: Final answer
    x = 110,110.44

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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.