Home / 225,880.20-338,851.53-76,163.31

Finding the Fourth Proportional to 225,880.20, 338,851.53 and 76,163.31

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Solution

The fourth proportional to 225,880.20, 338,851.53 and 76,163.31 is: 114,255.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,880.20 : 338,851.53 = 76,163.31 : x
  2. Step 2: Convert to fraction form
    225,880.20/338,851.53 = 76,163.31/x
  3. Step 3: Cross multiply
    225,880.20x = 338,851.53 × 76,163.31
  4. Step 4: Simplify right side
    225,880.20x = 25,808,054,123.36
  5. Step 5: Solve for x
    x = 25,808,054,123.36/225,880.20
  6. Step 6: Final answer
    x = 114,255.50

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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.