Home / 189,182.07-283,789.49-54,246.78

Finding the Fourth Proportional to 189,182.07, 283,789.49 and 54,246.78

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Solution

The fourth proportional to 189,182.07, 283,789.49 and 54,246.78 is: 81,374.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,182.07 : 283,789.49 = 54,246.78 : x
  2. Step 2: Convert to fraction form
    189,182.07/283,789.49 = 54,246.78/x
  3. Step 3: Cross multiply
    189,182.07x = 283,789.49 × 54,246.78
  4. Step 4: Simplify right side
    189,182.07x = 15,394,665,759.11
  5. Step 5: Solve for x
    x = 15,394,665,759.11/189,182.07
  6. Step 6: Final answer
    x = 81,374.87

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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.