Home / 196,067.58-294,145.68-71,407.50

Finding the Fourth Proportional to 196,067.58, 294,145.68 and 71,407.50

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Solution

The fourth proportional to 196,067.58, 294,145.68 and 71,407.50 is: 107,127.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,067.58 : 294,145.68 = 71,407.50 : x
  2. Step 2: Convert to fraction form
    196,067.58/294,145.68 = 71,407.50/x
  3. Step 3: Cross multiply
    196,067.58x = 294,145.68 × 71,407.50
  4. Step 4: Simplify right side
    196,067.58x = 21,004,207,644.60
  5. Step 5: Solve for x
    x = 21,004,207,644.60/196,067.58
  6. Step 6: Final answer
    x = 107,127.39

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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.