Home / 263,285.93-394,679.79-162,146.18

Finding the Fourth Proportional to 263,285.93, 394,679.79 and 162,146.18

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Solution

The fourth proportional to 263,285.93, 394,679.79 and 162,146.18 is: 243,065.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,285.93 : 394,679.79 = 162,146.18 : x
  2. Step 2: Convert to fraction form
    263,285.93/394,679.79 = 162,146.18/x
  3. Step 3: Cross multiply
    263,285.93x = 394,679.79 × 162,146.18
  4. Step 4: Simplify right side
    263,285.93x = 63,995,821,258.40
  5. Step 5: Solve for x
    x = 63,995,821,258.40/263,285.93
  6. Step 6: Final answer
    x = 243,065.86

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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.