Home / 209,738.16-289,442.04-114,244.92

Finding the Fourth Proportional to 209,738.16, 289,442.04 and 114,244.92

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Solution

The fourth proportional to 209,738.16, 289,442.04 and 114,244.92 is: 157,659.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,738.16 : 289,442.04 = 114,244.92 : x
  2. Step 2: Convert to fraction form
    209,738.16/289,442.04 = 114,244.92/x
  3. Step 3: Cross multiply
    209,738.16x = 289,442.04 × 114,244.92
  4. Step 4: Simplify right side
    209,738.16x = 33,067,282,704.44
  5. Step 5: Solve for x
    x = 33,067,282,704.44/209,738.16
  6. Step 6: Final answer
    x = 157,659.83

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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.