Home / 481,804.20-721,955.70-182,121.30

Finding the Fourth Proportional to 481,804.20, 721,955.70 and 182,121.30

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Solution

The fourth proportional to 481,804.20, 721,955.70 and 182,121.30 is: 272,898.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,804.20 : 721,955.70 = 182,121.30 : x
  2. Step 2: Convert to fraction form
    481,804.20/721,955.70 = 182,121.30/x
  3. Step 3: Cross multiply
    481,804.20x = 721,955.70 × 182,121.30
  4. Step 4: Simplify right side
    481,804.20x = 131,483,510,626.41
  5. Step 5: Solve for x
    x = 131,483,510,626.41/481,804.20
  6. Step 6: Final answer
    x = 272,898.22

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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.