Home / 268,682.09-403,049.39-100,162.94

Finding the Fourth Proportional to 268,682.09, 403,049.39 and 100,162.94

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Solution

The fourth proportional to 268,682.09, 403,049.39 and 100,162.94 is: 150,254.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,682.09 : 403,049.39 = 100,162.94 : x
  2. Step 2: Convert to fraction form
    268,682.09/403,049.39 = 100,162.94/x
  3. Step 3: Cross multiply
    268,682.09x = 403,049.39 × 100,162.94
  4. Step 4: Simplify right side
    268,682.09x = 40,370,609,351.55
  5. Step 5: Solve for x
    x = 40,370,609,351.55/268,682.09
  6. Step 6: Final answer
    x = 150,254.19

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1.5x scale

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.