Home / 481,042.80-721,559.08-148,621.68

Finding the Fourth Proportional to 481,042.80, 721,559.08 and 148,621.68

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Solution

The fourth proportional to 481,042.80, 721,559.08 and 148,621.68 is: 222,930.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,042.80 : 721,559.08 = 148,621.68 : x
  2. Step 2: Convert to fraction form
    481,042.80/721,559.08 = 148,621.68/x
  3. Step 3: Cross multiply
    481,042.80x = 721,559.08 × 148,621.68
  4. Step 4: Simplify right side
    481,042.80x = 107,239,322,688.85
  5. Step 5: Solve for x
    x = 107,239,322,688.85/481,042.80
  6. Step 6: Final answer
    x = 222,930.94

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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.