Home / 190,390.80-285,586.20-50,163.60

Finding the Fourth Proportional to 190,390.80, 285,586.20 and 50,163.60

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Solution

The fourth proportional to 190,390.80, 285,586.20 and 50,163.60 is: 75,245.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,390.80 : 285,586.20 = 50,163.60 : x
  2. Step 2: Convert to fraction form
    190,390.80/285,586.20 = 50,163.60/x
  3. Step 3: Cross multiply
    190,390.80x = 285,586.20 × 50,163.60
  4. Step 4: Simplify right side
    190,390.80x = 14,326,031,902.32
  5. Step 5: Solve for x
    x = 14,326,031,902.32/190,390.80
  6. Step 6: Final answer
    x = 75,245.40

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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.