Home / 146,053.98-219,093.09-40,872.78

Finding the Fourth Proportional to 146,053.98, 219,093.09 and 40,872.78

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Solution

The fourth proportional to 146,053.98, 219,093.09 and 40,872.78 is: 61,312.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,053.98 : 219,093.09 = 40,872.78 : x
  2. Step 2: Convert to fraction form
    146,053.98/219,093.09 = 40,872.78/x
  3. Step 3: Cross multiply
    146,053.98x = 219,093.09 × 40,872.78
  4. Step 4: Simplify right side
    146,053.98x = 8,954,943,667.09
  5. Step 5: Solve for x
    x = 8,954,943,667.09/146,053.98
  6. Step 6: Final answer
    x = 61,312.56

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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.