Home / 106,975.05-160,200.14-71,808.09

Finding the Fourth Proportional to 106,975.05, 160,200.14 and 71,808.09

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Solution

The fourth proportional to 106,975.05, 160,200.14 and 71,808.09 is: 107,535.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,975.05 : 160,200.14 = 71,808.09 : x
  2. Step 2: Convert to fraction form
    106,975.05/160,200.14 = 71,808.09/x
  3. Step 3: Cross multiply
    106,975.05x = 160,200.14 × 71,808.09
  4. Step 4: Simplify right side
    106,975.05x = 11,503,665,712.09
  5. Step 5: Solve for x
    x = 11,503,665,712.09/106,975.05
  6. Step 6: Final answer
    x = 107,535.97

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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.