Home / 356,308.40-491,705.79-195,166.14

Finding the Fourth Proportional to 356,308.40, 491,705.79 and 195,166.14

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Solution

The fourth proportional to 356,308.40, 491,705.79 and 195,166.14 is: 269,329.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,308.40 : 491,705.79 = 195,166.14 : x
  2. Step 2: Convert to fraction form
    356,308.40/491,705.79 = 195,166.14/x
  3. Step 3: Cross multiply
    356,308.40x = 491,705.79 × 195,166.14
  4. Step 4: Simplify right side
    356,308.40x = 95,964,321,049.95
  5. Step 5: Solve for x
    x = 95,964,321,049.95/356,308.40
  6. Step 6: Final answer
    x = 269,329.39

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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.