Home / 413,163.38-619,747.80-113,675.60

Finding the Fourth Proportional to 413,163.38, 619,747.80 and 113,675.60

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Solution

The fourth proportional to 413,163.38, 619,747.80 and 113,675.60 is: 170,514.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,163.38 : 619,747.80 = 113,675.60 : x
  2. Step 2: Convert to fraction form
    413,163.38/619,747.80 = 113,675.60/x
  3. Step 3: Cross multiply
    413,163.38x = 619,747.80 × 113,675.60
  4. Step 4: Simplify right side
    413,163.38x = 70,450,203,013.68
  5. Step 5: Solve for x
    x = 70,450,203,013.68/413,163.38
  6. Step 6: Final answer
    x = 170,514.15

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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.