Home / 300,905.28-451,163.52-151,061.76

Finding the Fourth Proportional to 300,905.28, 451,163.52 and 151,061.76

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Solution

The fourth proportional to 300,905.28, 451,163.52 and 151,061.76 is: 226,495.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,905.28 : 451,163.52 = 151,061.76 : x
  2. Step 2: Convert to fraction form
    300,905.28/451,163.52 = 151,061.76/x
  3. Step 3: Cross multiply
    300,905.28x = 451,163.52 × 151,061.76
  4. Step 4: Simplify right side
    300,905.28x = 68,153,555,379.00
  5. Step 5: Solve for x
    x = 68,153,555,379.00/300,905.28
  6. Step 6: Final answer
    x = 226,495.05

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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.