Home / 143,014.44-197,359.96-79,352.69

Finding the Fourth Proportional to 143,014.44, 197,359.96 and 79,352.69

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Solution

The fourth proportional to 143,014.44, 197,359.96 and 79,352.69 is: 109,506.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,014.44 : 197,359.96 = 79,352.69 : x
  2. Step 2: Convert to fraction form
    143,014.44/197,359.96 = 79,352.69/x
  3. Step 3: Cross multiply
    143,014.44x = 197,359.96 × 79,352.69
  4. Step 4: Simplify right side
    143,014.44x = 15,661,043,724.29
  5. Step 5: Solve for x
    x = 15,661,043,724.29/143,014.44
  6. Step 6: Final answer
    x = 109,506.73

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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.