Home / 327,238.35-490,518.89-124,779.94

Finding the Fourth Proportional to 327,238.35, 490,518.89 and 124,779.94

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Solution

The fourth proportional to 327,238.35, 490,518.89 and 124,779.94 is: 187,040.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,238.35 : 490,518.89 = 124,779.94 : x
  2. Step 2: Convert to fraction form
    327,238.35/490,518.89 = 124,779.94/x
  3. Step 3: Cross multiply
    327,238.35x = 490,518.89 × 124,779.94
  4. Step 4: Simplify right side
    327,238.35x = 61,206,919,039.96
  5. Step 5: Solve for x
    x = 61,206,919,039.96/327,238.35
  6. Step 6: Final answer
    x = 187,040.79

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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.