Home / 255,249.12-352,243.80-142,069.44

Finding the Fourth Proportional to 255,249.12, 352,243.80 and 142,069.44

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Solution

The fourth proportional to 255,249.12, 352,243.80 and 142,069.44 is: 196,055.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,249.12 : 352,243.80 = 142,069.44 : x
  2. Step 2: Convert to fraction form
    255,249.12/352,243.80 = 142,069.44/x
  3. Step 3: Cross multiply
    255,249.12x = 352,243.80 × 142,069.44
  4. Step 4: Simplify right side
    255,249.12x = 50,043,079,409.47
  5. Step 5: Solve for x
    x = 50,043,079,409.47/255,249.12
  6. Step 6: Final answer
    x = 196,055.84

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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.