Home / 254,070.49-381,105.76-67,083.61

Finding the Fourth Proportional to 254,070.49, 381,105.76 and 67,083.61

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Solution

The fourth proportional to 254,070.49, 381,105.76 and 67,083.61 is: 100,625.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,070.49 : 381,105.76 = 67,083.61 : x
  2. Step 2: Convert to fraction form
    254,070.49/381,105.76 = 67,083.61/x
  3. Step 3: Cross multiply
    254,070.49x = 381,105.76 × 67,083.61
  4. Step 4: Simplify right side
    254,070.49x = 25,565,950,172.59
  5. Step 5: Solve for x
    x = 25,565,950,172.59/254,070.49
  6. Step 6: Final answer
    x = 100,625.42

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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.