Home / 297,103.02-410,000.99-161,136.42

Finding the Fourth Proportional to 297,103.02, 410,000.99 and 161,136.42

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Solution

The fourth proportional to 297,103.02, 410,000.99 and 161,136.42 is: 222,367.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,103.02 : 410,000.99 = 161,136.42 : x
  2. Step 2: Convert to fraction form
    297,103.02/410,000.99 = 161,136.42/x
  3. Step 3: Cross multiply
    297,103.02x = 410,000.99 × 161,136.42
  4. Step 4: Simplify right side
    297,103.02x = 66,066,090,919.37
  5. Step 5: Solve for x
    x = 66,066,090,919.37/297,103.02
  6. Step 6: Final answer
    x = 222,367.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.