Home / 189,040.96-283,546.56-82,422.40

Finding the Fourth Proportional to 189,040.96, 283,546.56 and 82,422.40

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Solution

The fourth proportional to 189,040.96, 283,546.56 and 82,422.40 is: 123,627.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,040.96 : 283,546.56 = 82,422.40 : x
  2. Step 2: Convert to fraction form
    189,040.96/283,546.56 = 82,422.40/x
  3. Step 3: Cross multiply
    189,040.96x = 283,546.56 × 82,422.40
  4. Step 4: Simplify right side
    189,040.96x = 23,370,587,986.94
  5. Step 5: Solve for x
    x = 23,370,587,986.94/189,040.96
  6. Step 6: Final answer
    x = 123,627.11

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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.