Home / 216,028.62-298,119.42-120,535.29

Finding the Fourth Proportional to 216,028.62, 298,119.42 and 120,535.29

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Solution

The fourth proportional to 216,028.62, 298,119.42 and 120,535.29 is: 166,338.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,028.62 : 298,119.42 = 120,535.29 : x
  2. Step 2: Convert to fraction form
    216,028.62/298,119.42 = 120,535.29/x
  3. Step 3: Cross multiply
    216,028.62x = 298,119.42 × 120,535.29
  4. Step 4: Simplify right side
    216,028.62x = 35,933,910,744.33
  5. Step 5: Solve for x
    x = 35,933,910,744.33/216,028.62
  6. Step 6: Final answer
    x = 166,338.66

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1.5x scale

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.