Home / 190,297.40-262,610.41-105,414.46

Finding the Fourth Proportional to 190,297.40, 262,610.41 and 105,414.46

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Solution

The fourth proportional to 190,297.40, 262,610.41 and 105,414.46 is: 145,471.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,297.40 : 262,610.41 = 105,414.46 : x
  2. Step 2: Convert to fraction form
    190,297.40/262,610.41 = 105,414.46/x
  3. Step 3: Cross multiply
    190,297.40x = 262,610.41 × 105,414.46
  4. Step 4: Simplify right side
    190,297.40x = 27,682,935,389.42
  5. Step 5: Solve for x
    x = 27,682,935,389.42/190,297.40
  6. Step 6: Final answer
    x = 145,471.96

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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.