Home / 128,813.23-193,195.23-40,067.80

Finding the Fourth Proportional to 128,813.23, 193,195.23 and 40,067.80

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Solution

The fourth proportional to 128,813.23, 193,195.23 and 40,067.80 is: 60,094.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,813.23 : 193,195.23 = 40,067.80 : x
  2. Step 2: Convert to fraction form
    128,813.23/193,195.23 = 40,067.80/x
  3. Step 3: Cross multiply
    128,813.23x = 193,195.23 × 40,067.80
  4. Step 4: Simplify right side
    128,813.23x = 7,740,907,836.59
  5. Step 5: Solve for x
    x = 7,740,907,836.59/128,813.23
  6. Step 6: Final answer
    x = 60,094.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.