Home / 262,817.03-394,258.40-102,872.33

Finding the Fourth Proportional to 262,817.03, 394,258.40 and 102,872.33

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Solution

The fourth proportional to 262,817.03, 394,258.40 and 102,872.33 is: 154,321.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,817.03 : 394,258.40 = 102,872.33 : x
  2. Step 2: Convert to fraction form
    262,817.03/394,258.40 = 102,872.33/x
  3. Step 3: Cross multiply
    262,817.03x = 394,258.40 × 102,872.33
  4. Step 4: Simplify right side
    262,817.03x = 40,558,279,319.33
  5. Step 5: Solve for x
    x = 40,558,279,319.33/262,817.03
  6. Step 6: Final answer
    x = 154,321.35

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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.