Home / 227,198.20-313,534.72-130,394.32

Finding the Fourth Proportional to 227,198.20, 313,534.72 and 130,394.32

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Solution

The fourth proportional to 227,198.20, 313,534.72 and 130,394.32 is: 179,944.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,198.20 : 313,534.72 = 130,394.32 : x
  2. Step 2: Convert to fraction form
    227,198.20/313,534.72 = 130,394.32/x
  3. Step 3: Cross multiply
    227,198.20x = 313,534.72 × 130,394.32
  4. Step 4: Simplify right side
    227,198.20x = 40,883,146,610.79
  5. Step 5: Solve for x
    x = 40,883,146,610.79/227,198.20
  6. Step 6: Final answer
    x = 179,944.85

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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.