Home / 297,333.38-445,996.07-72,695.75

Finding the Fourth Proportional to 297,333.38, 445,996.07 and 72,695.75

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Solution

The fourth proportional to 297,333.38, 445,996.07 and 72,695.75 is: 109,042.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,333.38 : 445,996.07 = 72,695.75 : x
  2. Step 2: Convert to fraction form
    297,333.38/445,996.07 = 72,695.75/x
  3. Step 3: Cross multiply
    297,333.38x = 445,996.07 × 72,695.75
  4. Step 4: Simplify right side
    297,333.38x = 32,422,016,893.77
  5. Step 5: Solve for x
    x = 32,422,016,893.77/297,333.38
  6. Step 6: Final answer
    x = 109,042.64

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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.