Home / 136,406.98-188,251.08-82,694.26

Finding the Fourth Proportional to 136,406.98, 188,251.08 and 82,694.26

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Solution

The fourth proportional to 136,406.98, 188,251.08 and 82,694.26 is: 114,123.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,406.98 : 188,251.08 = 82,694.26 : x
  2. Step 2: Convert to fraction form
    136,406.98/188,251.08 = 82,694.26/x
  3. Step 3: Cross multiply
    136,406.98x = 188,251.08 × 82,694.26
  4. Step 4: Simplify right side
    136,406.98x = 15,567,283,754.80
  5. Step 5: Solve for x
    x = 15,567,283,754.80/136,406.98
  6. Step 6: Final answer
    x = 114,123.81

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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.