Home / 149,304.38-206,040.04-82,236.38

Finding the Fourth Proportional to 149,304.38, 206,040.04 and 82,236.38

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Solution

The fourth proportional to 149,304.38, 206,040.04 and 82,236.38 is: 113,486.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,304.38 : 206,040.04 = 82,236.38 : x
  2. Step 2: Convert to fraction form
    149,304.38/206,040.04 = 82,236.38/x
  3. Step 3: Cross multiply
    149,304.38x = 206,040.04 × 82,236.38
  4. Step 4: Simplify right side
    149,304.38x = 16,943,987,024.66
  5. Step 5: Solve for x
    x = 16,943,987,024.66/149,304.38
  6. Step 6: Final answer
    x = 113,486.20

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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.