Home / 327,206.20-490,795.01-102,561.50

Finding the Fourth Proportional to 327,206.20, 490,795.01 and 102,561.50

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Solution

The fourth proportional to 327,206.20, 490,795.01 and 102,561.50 is: 153,837.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,206.20 : 490,795.01 = 102,561.50 : x
  2. Step 2: Convert to fraction form
    327,206.20/490,795.01 = 102,561.50/x
  3. Step 3: Cross multiply
    327,206.20x = 490,795.01 × 102,561.50
  4. Step 4: Simplify right side
    327,206.20x = 50,336,672,418.12
  5. Step 5: Solve for x
    x = 50,336,672,418.12/327,206.20
  6. Step 6: Final answer
    x = 153,837.77

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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.