Home / 209,711.44-289,405.15-114,218.14

Finding the Fourth Proportional to 209,711.44, 289,405.15 and 114,218.14

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Solution

The fourth proportional to 209,711.44, 289,405.15 and 114,218.14 is: 157,622.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,711.44 : 289,405.15 = 114,218.14 : x
  2. Step 2: Convert to fraction form
    209,711.44/289,405.15 = 114,218.14/x
  3. Step 3: Cross multiply
    209,711.44x = 289,405.15 × 114,218.14
  4. Step 4: Simplify right side
    209,711.44x = 33,055,317,939.42
  5. Step 5: Solve for x
    x = 33,055,317,939.42/209,711.44
  6. Step 6: Final answer
    x = 157,622.86

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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.