Home / 318,029.15-438,883.92-174,789.43

Finding the Fourth Proportional to 318,029.15, 438,883.92 and 174,789.43

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Solution

The fourth proportional to 318,029.15, 438,883.92 and 174,789.43 is: 241,211.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,029.15 : 438,883.92 = 174,789.43 : x
  2. Step 2: Convert to fraction form
    318,029.15/438,883.92 = 174,789.43/x
  3. Step 3: Cross multiply
    318,029.15x = 438,883.92 × 174,789.43
  4. Step 4: Simplify right side
    318,029.15x = 76,712,269,115.76
  5. Step 5: Solve for x
    x = 76,712,269,115.76/318,029.15
  6. Step 6: Final answer
    x = 241,211.44

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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.