Home / 481,159.82-721,732.16-165,619.46

Finding the Fourth Proportional to 481,159.82, 721,732.16 and 165,619.46

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Solution

The fourth proportional to 481,159.82, 721,732.16 and 165,619.46 is: 248,426.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,159.82 : 721,732.16 = 165,619.46 : x
  2. Step 2: Convert to fraction form
    481,159.82/721,732.16 = 165,619.46/x
  3. Step 3: Cross multiply
    481,159.82x = 721,732.16 × 165,619.46
  4. Step 4: Simplify right side
    481,159.82x = 119,532,890,603.83
  5. Step 5: Solve for x
    x = 119,532,890,603.83/481,159.82
  6. Step 6: Final answer
    x = 248,426.58

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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.