Home / 206,917.44-285,536.87-120,884.40

Finding the Fourth Proportional to 206,917.44, 285,536.87 and 120,884.40

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Solution

The fourth proportional to 206,917.44, 285,536.87 and 120,884.40 is: 166,815.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,917.44 : 285,536.87 = 120,884.40 : x
  2. Step 2: Convert to fraction form
    206,917.44/285,536.87 = 120,884.40/x
  3. Step 3: Cross multiply
    206,917.44x = 285,536.87 × 120,884.40
  4. Step 4: Simplify right side
    206,917.44x = 34,516,953,207.83
  5. Step 5: Solve for x
    x = 34,516,953,207.83/206,917.44
  6. Step 6: Final answer
    x = 166,815.10

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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.