Home / 115,721.80-173,841.90-110,998.60

Finding the Fourth Proportional to 115,721.80, 173,841.90 and 110,998.60

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Solution

The fourth proportional to 115,721.80, 173,841.90 and 110,998.60 is: 166,746.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,721.80 : 173,841.90 = 110,998.60 : x
  2. Step 2: Convert to fraction form
    115,721.80/173,841.90 = 110,998.60/x
  3. Step 3: Cross multiply
    115,721.80x = 173,841.90 × 110,998.60
  4. Step 4: Simplify right side
    115,721.80x = 19,296,207,521.34
  5. Step 5: Solve for x
    x = 19,296,207,521.34/115,721.80
  6. Step 6: Final answer
    x = 166,746.52

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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.