Home / 143,185.93-197,584.99-82,760.47

Finding the Fourth Proportional to 143,185.93, 197,584.99 and 82,760.47

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Solution

The fourth proportional to 143,185.93, 197,584.99 and 82,760.47 is: 114,202.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,185.93 : 197,584.99 = 82,760.47 : x
  2. Step 2: Convert to fraction form
    143,185.93/197,584.99 = 82,760.47/x
  3. Step 3: Cross multiply
    143,185.93x = 197,584.99 × 82,760.47
  4. Step 4: Simplify right side
    143,185.93x = 16,352,225,936.48
  5. Step 5: Solve for x
    x = 16,352,225,936.48/143,185.93
  6. Step 6: Final answer
    x = 114,202.74

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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.