Home / 193,240.20-289,860.30-162,136.20

Finding the Fourth Proportional to 193,240.20, 289,860.30 and 162,136.20

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Solution

The fourth proportional to 193,240.20, 289,860.30 and 162,136.20 is: 243,204.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,240.20 : 289,860.30 = 162,136.20 : x
  2. Step 2: Convert to fraction form
    193,240.20/289,860.30 = 162,136.20/x
  3. Step 3: Cross multiply
    193,240.20x = 289,860.30 × 162,136.20
  4. Step 4: Simplify right side
    193,240.20x = 46,996,847,572.86
  5. Step 5: Solve for x
    x = 46,996,847,572.86/193,240.20
  6. Step 6: Final answer
    x = 243,204.30

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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.