Home / 134,728.68-185,922.21-74,297.43

Finding the Fourth Proportional to 134,728.68, 185,922.21 and 74,297.43

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Solution

The fourth proportional to 134,728.68, 185,922.21 and 74,297.43 is: 102,528.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,728.68 : 185,922.21 = 74,297.43 : x
  2. Step 2: Convert to fraction form
    134,728.68/185,922.21 = 74,297.43/x
  3. Step 3: Cross multiply
    134,728.68x = 185,922.21 × 74,297.43
  4. Step 4: Simplify right side
    134,728.68x = 13,813,542,382.92
  5. Step 5: Solve for x
    x = 13,813,542,382.92/134,728.68
  6. Step 6: Final answer
    x = 102,528.60

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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.