Home / 209,539.26-289,164.20-114,046.65

Finding the Fourth Proportional to 209,539.26, 289,164.20 and 114,046.65

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Solution

The fourth proportional to 209,539.26, 289,164.20 and 114,046.65 is: 157,384.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,539.26 : 289,164.20 = 114,046.65 : x
  2. Step 2: Convert to fraction form
    209,539.26/289,164.20 = 114,046.65/x
  3. Step 3: Cross multiply
    209,539.26x = 289,164.20 × 114,046.65
  4. Step 4: Simplify right side
    209,539.26x = 32,978,207,739.70
  5. Step 5: Solve for x
    x = 32,978,207,739.70/209,539.26
  6. Step 6: Final answer
    x = 157,384.39

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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.