Home / 190,289.60-285,433.56-48,136.20

Finding the Fourth Proportional to 190,289.60, 285,433.56 and 48,136.20

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Solution

The fourth proportional to 190,289.60, 285,433.56 and 48,136.20 is: 72,204.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,289.60 : 285,433.56 = 48,136.20 : x
  2. Step 2: Convert to fraction form
    190,289.60/285,433.56 = 48,136.20/x
  3. Step 3: Cross multiply
    190,289.60x = 285,433.56 × 48,136.20
  4. Step 4: Simplify right side
    190,289.60x = 13,739,686,930.87
  5. Step 5: Solve for x
    x = 13,739,686,930.87/190,289.60
  6. Step 6: Final answer
    x = 72,204.09

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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.