Home / 263,198.34-363,214.80-142,339.62

Finding the Fourth Proportional to 263,198.34, 363,214.80 and 142,339.62

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Solution

The fourth proportional to 263,198.34, 363,214.80 and 142,339.62 is: 196,429.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,198.34 : 363,214.80 = 142,339.62 : x
  2. Step 2: Convert to fraction form
    263,198.34/363,214.80 = 142,339.62/x
  3. Step 3: Cross multiply
    263,198.34x = 363,214.80 × 142,339.62
  4. Step 4: Simplify right side
    263,198.34x = 51,699,857,438.66
  5. Step 5: Solve for x
    x = 51,699,857,438.66/263,198.34
  6. Step 6: Final answer
    x = 196,429.27

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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.