Home / 165,908.91-228,882.24-105,447.18

Finding the Fourth Proportional to 165,908.91, 228,882.24 and 105,447.18

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Solution

The fourth proportional to 165,908.91, 228,882.24 and 105,447.18 is: 145,471.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,908.91 : 228,882.24 = 105,447.18 : x
  2. Step 2: Convert to fraction form
    165,908.91/228,882.24 = 105,447.18/x
  3. Step 3: Cross multiply
    165,908.91x = 228,882.24 × 105,447.18
  4. Step 4: Simplify right side
    165,908.91x = 24,134,986,760.08
  5. Step 5: Solve for x
    x = 24,134,986,760.08/165,908.91
  6. Step 6: Final answer
    x = 145,471.31

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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.