Home / 130,268.25-179,770.19-73,678.41

Finding the Fourth Proportional to 130,268.25, 179,770.19 and 73,678.41

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Solution

The fourth proportional to 130,268.25, 179,770.19 and 73,678.41 is: 101,676.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,268.25 : 179,770.19 = 73,678.41 : x
  2. Step 2: Convert to fraction form
    130,268.25/179,770.19 = 73,678.41/x
  3. Step 3: Cross multiply
    130,268.25x = 179,770.19 × 73,678.41
  4. Step 4: Simplify right side
    130,268.25x = 13,245,181,396.21
  5. Step 5: Solve for x
    x = 13,245,181,396.21/130,268.25
  6. Step 6: Final answer
    x = 101,676.21

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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.