Home / 110,680.74-166,134.11-81,010.44

Finding the Fourth Proportional to 110,680.74, 166,134.11 and 81,010.44

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Solution

The fourth proportional to 110,680.74, 166,134.11 and 81,010.44 is: 121,598.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,680.74 : 166,134.11 = 81,010.44 : x
  2. Step 2: Convert to fraction form
    110,680.74/166,134.11 = 81,010.44/x
  3. Step 3: Cross multiply
    110,680.74x = 166,134.11 × 81,010.44
  4. Step 4: Simplify right side
    110,680.74x = 13,458,596,945.06
  5. Step 5: Solve for x
    x = 13,458,596,945.06/110,680.74
  6. Step 6: Final answer
    x = 121,598.36

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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.