Home / 738,136.10-1,107,204.15-177,170.60

Finding the Fourth Proportional to 738,136.10, 1,107,204.15 and 177,170.60

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Solution

The fourth proportional to 738,136.10, 1,107,204.15 and 177,170.60 is: 265,755.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,136.10 : 1,107,204.15 = 177,170.60 : x
  2. Step 2: Convert to fraction form
    738,136.10/1,107,204.15 = 177,170.60/x
  3. Step 3: Cross multiply
    738,136.10x = 1,107,204.15 × 177,170.60
  4. Step 4: Simplify right side
    738,136.10x = 196,164,023,577.99
  5. Step 5: Solve for x
    x = 196,164,023,577.99/738,136.10
  6. Step 6: Final answer
    x = 265,755.90

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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.