Home / 255,243.12-352,235.52-142,063.44

Finding the Fourth Proportional to 255,243.12, 352,235.52 and 142,063.44

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Solution

The fourth proportional to 255,243.12, 352,235.52 and 142,063.44 is: 196,047.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,243.12 : 352,235.52 = 142,063.44 : x
  2. Step 2: Convert to fraction form
    255,243.12/352,235.52 = 142,063.44/x
  3. Step 3: Cross multiply
    255,243.12x = 352,235.52 × 142,063.44
  4. Step 4: Simplify right side
    255,243.12x = 50,039,789,661.39
  5. Step 5: Solve for x
    x = 50,039,789,661.39/255,243.12
  6. Step 6: Final answer
    x = 196,047.56

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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.