Home / 183,380.54-275,165.58-78,171.26

Finding the Fourth Proportional to 183,380.54, 275,165.58 and 78,171.26

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Solution

The fourth proportional to 183,380.54, 275,165.58 and 78,171.26 is: 117,297.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,380.54 : 275,165.58 = 78,171.26 : x
  2. Step 2: Convert to fraction form
    183,380.54/275,165.58 = 78,171.26/x
  3. Step 3: Cross multiply
    183,380.54x = 275,165.58 × 78,171.26
  4. Step 4: Simplify right side
    183,380.54x = 21,510,040,097.23
  5. Step 5: Solve for x
    x = 21,510,040,097.23/183,380.54
  6. Step 6: Final answer
    x = 117,297.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.