Home / 166,928.58-230,361.07-90,449.76

Finding the Fourth Proportional to 166,928.58, 230,361.07 and 90,449.76

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Solution

The fourth proportional to 166,928.58, 230,361.07 and 90,449.76 is: 124,820.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,928.58 : 230,361.07 = 90,449.76 : x
  2. Step 2: Convert to fraction form
    166,928.58/230,361.07 = 90,449.76/x
  3. Step 3: Cross multiply
    166,928.58x = 230,361.07 × 90,449.76
  4. Step 4: Simplify right side
    166,928.58x = 20,836,103,494.84
  5. Step 5: Solve for x
    x = 20,836,103,494.84/166,928.58
  6. Step 6: Final answer
    x = 124,820.47

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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.