Home / 413,164.38-619,749.30-113,676.60

Finding the Fourth Proportional to 413,164.38, 619,749.30 and 113,676.60

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Solution

The fourth proportional to 413,164.38, 619,749.30 and 113,676.60 is: 170,515.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,164.38 : 619,749.30 = 113,676.60 : x
  2. Step 2: Convert to fraction form
    413,164.38/619,749.30 = 113,676.60/x
  3. Step 3: Cross multiply
    413,164.38x = 619,749.30 × 113,676.60
  4. Step 4: Simplify right side
    413,164.38x = 70,450,993,276.38
  5. Step 5: Solve for x
    x = 70,450,993,276.38/413,164.38
  6. Step 6: Final answer
    x = 170,515.65

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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.