Home / 356,116.33-491,440.30-194,971.34

Finding the Fourth Proportional to 356,116.33, 491,440.30 and 194,971.34

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Solution

The fourth proportional to 356,116.33, 491,440.30 and 194,971.34 is: 269,060.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,116.33 : 491,440.30 = 194,971.34 : x
  2. Step 2: Convert to fraction form
    356,116.33/491,440.30 = 194,971.34/x
  3. Step 3: Cross multiply
    356,116.33x = 491,440.30 × 194,971.34
  4. Step 4: Simplify right side
    356,116.33x = 95,816,773,821.00
  5. Step 5: Solve for x
    x = 95,816,773,821.00/356,116.33
  6. Step 6: Final answer
    x = 269,060.32

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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.