Home / 327,195.50-490,804.18-90,518.36

Finding the Fourth Proportional to 327,195.50, 490,804.18 and 90,518.36

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Solution

The fourth proportional to 327,195.50, 490,804.18 and 90,518.36 is: 135,780.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,195.50 : 490,804.18 = 90,518.36 : x
  2. Step 2: Convert to fraction form
    327,195.50/490,804.18 = 90,518.36/x
  3. Step 3: Cross multiply
    327,195.50x = 490,804.18 × 90,518.36
  4. Step 4: Simplify right side
    327,195.50x = 44,426,789,454.74
  5. Step 5: Solve for x
    x = 44,426,789,454.74/327,195.50
  6. Step 6: Final answer
    x = 135,780.56

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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.