Home / 331,453.24-457,408.60-188,216.28

Finding the Fourth Proportional to 331,453.24, 457,408.60 and 188,216.28

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Solution

The fourth proportional to 331,453.24, 457,408.60 and 188,216.28 is: 259,740.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,453.24 : 457,408.60 = 188,216.28 : x
  2. Step 2: Convert to fraction form
    331,453.24/457,408.60 = 188,216.28/x
  3. Step 3: Cross multiply
    331,453.24x = 457,408.60 × 188,216.28
  4. Step 4: Simplify right side
    331,453.24x = 86,091,745,132.01
  5. Step 5: Solve for x
    x = 86,091,745,132.01/331,453.24
  6. Step 6: Final answer
    x = 259,740.24

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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.