Home / 190,446.21-262,824.30-108,781.56

Finding the Fourth Proportional to 190,446.21, 262,824.30 and 108,781.56

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Solution

The fourth proportional to 190,446.21, 262,824.30 and 108,781.56 is: 150,123.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,446.21 : 262,824.30 = 108,781.56 : x
  2. Step 2: Convert to fraction form
    190,446.21/262,824.30 = 108,781.56/x
  3. Step 3: Cross multiply
    190,446.21x = 262,824.30 × 108,781.56
  4. Step 4: Simplify right side
    190,446.21x = 28,590,437,359.91
  5. Step 5: Solve for x
    x = 28,590,437,359.91/190,446.21
  6. Step 6: Final answer
    x = 150,123.43

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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.