Home / 481,768.20-721,901.70-182,085.30

Finding the Fourth Proportional to 481,768.20, 721,901.70 and 182,085.30

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Solution

The fourth proportional to 481,768.20, 721,901.70 and 182,085.30 is: 272,844.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,768.20 : 721,901.70 = 182,085.30 : x
  2. Step 2: Convert to fraction form
    481,768.20/721,901.70 = 182,085.30/x
  3. Step 3: Cross multiply
    481,768.20x = 721,901.70 × 182,085.30
  4. Step 4: Simplify right side
    481,768.20x = 131,447,687,615.01
  5. Step 5: Solve for x
    x = 131,447,687,615.01/481,768.20
  6. Step 6: Final answer
    x = 272,844.26

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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.