Home / 209,540.26-289,165.58-114,047.65

Finding the Fourth Proportional to 209,540.26, 289,165.58 and 114,047.65

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Solution

The fourth proportional to 209,540.26, 289,165.58 and 114,047.65 is: 157,385.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,540.26 : 289,165.58 = 114,047.65 : x
  2. Step 2: Convert to fraction form
    209,540.26/289,165.58 = 114,047.65/x
  3. Step 3: Cross multiply
    209,540.26x = 289,165.58 × 114,047.65
  4. Step 4: Simplify right side
    209,540.26x = 32,978,654,859.89
  5. Step 5: Solve for x
    x = 32,978,654,859.89/209,540.26
  6. Step 6: Final answer
    x = 157,385.77

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1.5x scale

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.