Home / 149,520.96-206,361.72-92,950.56

Finding the Fourth Proportional to 149,520.96, 206,361.72 and 92,950.56

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Solution

The fourth proportional to 149,520.96, 206,361.72 and 92,950.56 is: 128,285.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,520.96 : 206,361.72 = 92,950.56 : x
  2. Step 2: Convert to fraction form
    149,520.96/206,361.72 = 92,950.56/x
  3. Step 3: Cross multiply
    149,520.96x = 206,361.72 × 92,950.56
  4. Step 4: Simplify right side
    149,520.96x = 19,181,437,436.56
  5. Step 5: Solve for x
    x = 19,181,437,436.56/149,520.96
  6. Step 6: Final answer
    x = 128,285.94

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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.