Home / 205,383.90-283,623.69-194,201.40

Finding the Fourth Proportional to 205,383.90, 283,623.69 and 194,201.40

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Solution

The fourth proportional to 205,383.90, 283,623.69 and 194,201.40 is: 268,181.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,383.90 : 283,623.69 = 194,201.40 : x
  2. Step 2: Convert to fraction form
    205,383.90/283,623.69 = 194,201.40/x
  3. Step 3: Cross multiply
    205,383.90x = 283,623.69 × 194,201.40
  4. Step 4: Simplify right side
    205,383.90x = 55,080,117,671.17
  5. Step 5: Solve for x
    x = 55,080,117,671.17/205,383.90
  6. Step 6: Final answer
    x = 268,181.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.