Home / 258,738.60-357,049.98-144,013.44

Finding the Fourth Proportional to 258,738.60, 357,049.98 and 144,013.44

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Solution

The fourth proportional to 258,738.60, 357,049.98 and 144,013.44 is: 198,733.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,738.60 : 357,049.98 = 144,013.44 : x
  2. Step 2: Convert to fraction form
    258,738.60/357,049.98 = 144,013.44/x
  3. Step 3: Cross multiply
    258,738.60x = 357,049.98 × 144,013.44
  4. Step 4: Simplify right side
    258,738.60x = 51,419,995,871.73
  5. Step 5: Solve for x
    x = 51,419,995,871.73/258,738.60
  6. Step 6: Final answer
    x = 198,733.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.