Home / 190,880.35-286,273.21-64,517.79

Finding the Fourth Proportional to 190,880.35, 286,273.21 and 64,517.79

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Solution

The fourth proportional to 190,880.35, 286,273.21 and 64,517.79 is: 96,760.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,880.35 : 286,273.21 = 64,517.79 : x
  2. Step 2: Convert to fraction form
    190,880.35/286,273.21 = 64,517.79/x
  3. Step 3: Cross multiply
    190,880.35x = 286,273.21 × 64,517.79
  4. Step 4: Simplify right side
    190,880.35x = 18,469,713,091.45
  5. Step 5: Solve for x
    x = 18,469,713,091.45/190,880.35
  6. Step 6: Final answer
    x = 96,760.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.