Home / 255,629.52-352,771.22-140,912.64

Finding the Fourth Proportional to 255,629.52, 352,771.22 and 140,912.64

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Solution

The fourth proportional to 255,629.52, 352,771.22 and 140,912.64 is: 194,460.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,629.52 : 352,771.22 = 140,912.64 : x
  2. Step 2: Convert to fraction form
    255,629.52/352,771.22 = 140,912.64/x
  3. Step 3: Cross multiply
    255,629.52x = 352,771.22 × 140,912.64
  4. Step 4: Simplify right side
    255,629.52x = 49,709,923,926.22
  5. Step 5: Solve for x
    x = 49,709,923,926.22/255,629.52
  6. Step 6: Final answer
    x = 194,460.81

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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.