Home / 307,724.78-461,237.24-130,120.94

Finding the Fourth Proportional to 307,724.78, 461,237.24 and 130,120.94

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Solution

The fourth proportional to 307,724.78, 461,237.24 and 130,120.94 is: 195,033.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,724.78 : 461,237.24 = 130,120.94 : x
  2. Step 2: Convert to fraction form
    307,724.78/461,237.24 = 130,120.94/x
  3. Step 3: Cross multiply
    307,724.78x = 461,237.24 × 130,120.94
  4. Step 4: Simplify right side
    307,724.78x = 60,016,623,231.81
  5. Step 5: Solve for x
    x = 60,016,623,231.81/307,724.78
  6. Step 6: Final answer
    x = 195,033.44

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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.