Home / 175,511.72-263,056.10-80,610.98

Finding the Fourth Proportional to 175,511.72, 263,056.10 and 80,610.98

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Solution

The fourth proportional to 175,511.72, 263,056.10 and 80,610.98 is: 120,819.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,511.72 : 263,056.10 = 80,610.98 : x
  2. Step 2: Convert to fraction form
    175,511.72/263,056.10 = 80,610.98/x
  3. Step 3: Cross multiply
    175,511.72x = 263,056.10 × 80,610.98
  4. Step 4: Simplify right side
    175,511.72x = 21,205,208,297.64
  5. Step 5: Solve for x
    x = 21,205,208,297.64/175,511.72
  6. Step 6: Final answer
    x = 120,819.33

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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.