Home / 334,721.10-502,078.45-82,002.70

Finding the Fourth Proportional to 334,721.10, 502,078.45 and 82,002.70

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Solution

The fourth proportional to 334,721.10, 502,078.45 and 82,002.70 is: 123,003.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,721.10 : 502,078.45 = 82,002.70 : x
  2. Step 2: Convert to fraction form
    334,721.10/502,078.45 = 82,002.70/x
  3. Step 3: Cross multiply
    334,721.10x = 502,078.45 × 82,002.70
  4. Step 4: Simplify right side
    334,721.10x = 41,171,788,511.82
  5. Step 5: Solve for x
    x = 41,171,788,511.82/334,721.10
  6. Step 6: Final answer
    x = 123,003.27

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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.