Home / 190,473.12-285,757.26-134,422.64

Finding the Fourth Proportional to 190,473.12, 285,757.26 and 134,422.64

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Solution

The fourth proportional to 190,473.12, 285,757.26 and 134,422.64 is: 201,667.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,473.12 : 285,757.26 = 134,422.64 : x
  2. Step 2: Convert to fraction form
    190,473.12/285,757.26 = 134,422.64/x
  3. Step 3: Cross multiply
    190,473.12x = 285,757.26 × 134,422.64
  4. Step 4: Simplify right side
    190,473.12x = 38,412,245,288.37
  5. Step 5: Solve for x
    x = 38,412,245,288.37/190,473.12
  6. Step 6: Final answer
    x = 201,667.54

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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.