Home / 767,158.65-1,150,736.36-206,193.15

Finding the Fourth Proportional to 767,158.65, 1,150,736.36 and 206,193.15

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Solution

The fourth proportional to 767,158.65, 1,150,736.36 and 206,193.15 is: 309,289.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,158.65 : 1,150,736.36 = 206,193.15 : x
  2. Step 2: Convert to fraction form
    767,158.65/1,150,736.36 = 206,193.15/x
  3. Step 3: Cross multiply
    767,158.65x = 1,150,736.36 × 206,193.15
  4. Step 4: Simplify right side
    767,158.65x = 237,273,953,856.97
  5. Step 5: Solve for x
    x = 237,273,953,856.97/767,158.65
  6. Step 6: Final answer
    x = 309,289.29

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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.