Home / 189,632.88-261,676.44-109,038.96

Finding the Fourth Proportional to 189,632.88, 261,676.44 and 109,038.96

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Solution

The fourth proportional to 189,632.88, 261,676.44 and 109,038.96 is: 150,464.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,632.88 : 261,676.44 = 109,038.96 : x
  2. Step 2: Convert to fraction form
    189,632.88/261,676.44 = 109,038.96/x
  3. Step 3: Cross multiply
    189,632.88x = 261,676.44 × 109,038.96
  4. Step 4: Simplify right side
    189,632.88x = 28,532,926,874.10
  5. Step 5: Solve for x
    x = 28,532,926,874.10/189,632.88
  6. Step 6: Final answer
    x = 150,464.03

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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.