Home / 189,118.56-283,382.24-109,205.60

Finding the Fourth Proportional to 189,118.56, 283,382.24 and 109,205.60

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Solution

The fourth proportional to 189,118.56, 283,382.24 and 109,205.60 is: 163,637.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,118.56 : 283,382.24 = 109,205.60 : x
  2. Step 2: Convert to fraction form
    189,118.56/283,382.24 = 109,205.60/x
  3. Step 3: Cross multiply
    189,118.56x = 283,382.24 × 109,205.60
  4. Step 4: Simplify right side
    189,118.56x = 30,946,927,548.54
  5. Step 5: Solve for x
    x = 30,946,927,548.54/189,118.56
  6. Step 6: Final answer
    x = 163,637.71

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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.