Home / 743,136.30-1,114,704.45-182,170.80

Finding the Fourth Proportional to 743,136.30, 1,114,704.45 and 182,170.80

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Solution

The fourth proportional to 743,136.30, 1,114,704.45 and 182,170.80 is: 273,256.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,136.30 : 1,114,704.45 = 182,170.80 : x
  2. Step 2: Convert to fraction form
    743,136.30/1,114,704.45 = 182,170.80/x
  3. Step 3: Cross multiply
    743,136.30x = 1,114,704.45 × 182,170.80
  4. Step 4: Simplify right side
    743,136.30x = 203,066,601,420.06
  5. Step 5: Solve for x
    x = 203,066,601,420.06/743,136.30
  6. Step 6: Final answer
    x = 273,256.20

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Double scale
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Similar ratio
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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.