Home / 254,166.43-381,252.38-76,674.98

Finding the Fourth Proportional to 254,166.43, 381,252.38 and 76,674.98

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Solution

The fourth proportional to 254,166.43, 381,252.38 and 76,674.98 is: 115,013.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,166.43 : 381,252.38 = 76,674.98 : x
  2. Step 2: Convert to fraction form
    254,166.43/381,252.38 = 76,674.98/x
  3. Step 3: Cross multiply
    254,166.43x = 381,252.38 × 76,674.98
  4. Step 4: Simplify right side
    254,166.43x = 29,232,517,850.01
  5. Step 5: Solve for x
    x = 29,232,517,850.01/254,166.43
  6. Step 6: Final answer
    x = 115,013.29

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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.