Home / 115,721.30-173,841.15-110,998.10

Finding the Fourth Proportional to 115,721.30, 173,841.15 and 110,998.10

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Solution

The fourth proportional to 115,721.30, 173,841.15 and 110,998.10 is: 166,745.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,721.30 : 173,841.15 = 110,998.10 : x
  2. Step 2: Convert to fraction form
    115,721.30/173,841.15 = 110,998.10/x
  3. Step 3: Cross multiply
    115,721.30x = 173,841.15 × 110,998.10
  4. Step 4: Simplify right side
    115,721.30x = 19,296,037,351.82
  5. Step 5: Solve for x
    x = 19,296,037,351.82/115,721.30
  6. Step 6: Final answer
    x = 166,745.77

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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.