Home / 136,676.71-188,634.63-82,951.35

Finding the Fourth Proportional to 136,676.71, 188,634.63 and 82,951.35

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Solution

The fourth proportional to 136,676.71, 188,634.63 and 82,951.35 is: 114,485.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,676.71 : 188,634.63 = 82,951.35 : x
  2. Step 2: Convert to fraction form
    136,676.71/188,634.63 = 82,951.35/x
  3. Step 3: Cross multiply
    136,676.71x = 188,634.63 × 82,951.35
  4. Step 4: Simplify right side
    136,676.71x = 15,647,497,215.25
  5. Step 5: Solve for x
    x = 15,647,497,215.25/136,676.71
  6. Step 6: Final answer
    x = 114,485.47

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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.