Home / 190,630.36-285,946.62-50,387.50

Finding the Fourth Proportional to 190,630.36, 285,946.62 and 50,387.50

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Solution

The fourth proportional to 190,630.36, 285,946.62 and 50,387.50 is: 75,581.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,630.36 : 285,946.62 = 50,387.50 : x
  2. Step 2: Convert to fraction form
    190,630.36/285,946.62 = 50,387.50/x
  3. Step 3: Cross multiply
    190,630.36x = 285,946.62 × 50,387.50
  4. Step 4: Simplify right side
    190,630.36x = 14,408,135,315.25
  5. Step 5: Solve for x
    x = 14,408,135,315.25/190,630.36
  6. Step 6: Final answer
    x = 75,581.54

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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.