Home / 213,103.45-294,074.16-117,608.90

Finding the Fourth Proportional to 213,103.45, 294,074.16 and 117,608.90

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Solution

The fourth proportional to 213,103.45, 294,074.16 and 117,608.90 is: 162,295.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,103.45 : 294,074.16 = 117,608.90 : x
  2. Step 2: Convert to fraction form
    213,103.45/294,074.16 = 117,608.90/x
  3. Step 3: Cross multiply
    213,103.45x = 294,074.16 × 117,608.90
  4. Step 4: Simplify right side
    213,103.45x = 34,585,738,476.02
  5. Step 5: Solve for x
    x = 34,585,738,476.02/213,103.45
  6. Step 6: Final answer
    x = 162,295.54

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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.