Home / 201,922.10-278,653.59-115,874.23

Finding the Fourth Proportional to 201,922.10, 278,653.59 and 115,874.23

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Solution

The fourth proportional to 201,922.10, 278,653.59 and 115,874.23 is: 159,907.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,922.10 : 278,653.59 = 115,874.23 : x
  2. Step 2: Convert to fraction form
    201,922.10/278,653.59 = 115,874.23/x
  3. Step 3: Cross multiply
    201,922.10x = 278,653.59 × 115,874.23
  4. Step 4: Simplify right side
    201,922.10x = 32,288,770,329.72
  5. Step 5: Solve for x
    x = 32,288,770,329.72/201,922.10
  6. Step 6: Final answer
    x = 159,907.07

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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.