Home / 136,491.04-188,305.86-82,757.26

Finding the Fourth Proportional to 136,491.04, 188,305.86 and 82,757.26

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Solution

The fourth proportional to 136,491.04, 188,305.86 and 82,757.26 is: 114,173.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,491.04 : 188,305.86 = 82,757.26 : x
  2. Step 2: Convert to fraction form
    136,491.04/188,305.86 = 82,757.26/x
  3. Step 3: Cross multiply
    136,491.04x = 188,305.86 × 82,757.26
  4. Step 4: Simplify right side
    136,491.04x = 15,583,677,015.54
  5. Step 5: Solve for x
    x = 15,583,677,015.54/136,491.04
  6. Step 6: Final answer
    x = 114,173.63

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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.