Home / 209,536.91-289,167.06-114,049.79

Finding the Fourth Proportional to 209,536.91, 289,167.06 and 114,049.79

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Solution

The fourth proportional to 209,536.91, 289,167.06 and 114,049.79 is: 157,392.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,536.91 : 289,167.06 = 114,049.79 : x
  2. Step 2: Convert to fraction form
    209,536.91/289,167.06 = 114,049.79/x
  3. Step 3: Cross multiply
    209,536.91x = 289,167.06 × 114,049.79
  4. Step 4: Simplify right side
    209,536.91x = 32,979,441,022.08
  5. Step 5: Solve for x
    x = 32,979,441,022.08/209,536.91
  6. Step 6: Final answer
    x = 157,392.04

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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.