Home / 136,675.71-188,633.25-82,950.33

Finding the Fourth Proportional to 136,675.71, 188,633.25 and 82,950.33

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Solution

The fourth proportional to 136,675.71, 188,633.25 and 82,950.33 is: 114,484.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,675.71 : 188,633.25 = 82,950.33 : x
  2. Step 2: Convert to fraction form
    136,675.71/188,633.25 = 82,950.33/x
  3. Step 3: Cross multiply
    136,675.71x = 188,633.25 × 82,950.33
  4. Step 4: Simplify right side
    136,675.71x = 15,647,190,336.47
  5. Step 5: Solve for x
    x = 15,647,190,336.47/136,675.71
  6. Step 6: Final answer
    x = 114,484.06

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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.