Home / 190,439.79-285,677-50,198.41

Finding the Fourth Proportional to 190,439.79, 285,677 and 50,198.41

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Solution

The fourth proportional to 190,439.79, 285,677 and 50,198.41 is: 75,302.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,439.79 : 285,677 = 50,198.41 : x
  2. Step 2: Convert to fraction form
    190,439.79/285,677 = 50,198.41/x
  3. Step 3: Cross multiply
    190,439.79x = 285,677 × 50,198.41
  4. Step 4: Simplify right side
    190,439.79x = 14,340,531,173.57
  5. Step 5: Solve for x
    x = 14,340,531,173.57/190,439.79
  6. Step 6: Final answer
    x = 75,302.18

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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.