Home / 300,815.24-415,141.62-166,676.36

Finding the Fourth Proportional to 300,815.24, 415,141.62 and 166,676.36

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Solution

The fourth proportional to 300,815.24, 415,141.62 and 166,676.36 is: 230,022.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,815.24 : 415,141.62 = 166,676.36 : x
  2. Step 2: Convert to fraction form
    300,815.24/415,141.62 = 166,676.36/x
  3. Step 3: Cross multiply
    300,815.24x = 415,141.62 × 166,676.36
  4. Step 4: Simplify right side
    300,815.24x = 69,194,294,106.10
  5. Step 5: Solve for x
    x = 69,194,294,106.10/300,815.24
  6. Step 6: Final answer
    x = 230,022.57

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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.