Home / 190,198.56-285,301.08-71,925.60

Finding the Fourth Proportional to 190,198.56, 285,301.08 and 71,925.60

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Solution

The fourth proportional to 190,198.56, 285,301.08 and 71,925.60 is: 107,889.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,198.56 : 285,301.08 = 71,925.60 : x
  2. Step 2: Convert to fraction form
    190,198.56/285,301.08 = 71,925.60/x
  3. Step 3: Cross multiply
    190,198.56x = 285,301.08 × 71,925.60
  4. Step 4: Simplify right side
    190,198.56x = 20,520,451,359.65
  5. Step 5: Solve for x
    x = 20,520,451,359.65/190,198.56
  6. Step 6: Final answer
    x = 107,889.63

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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.