Home / 161,076.10-222,396.22-100,673.90

Finding the Fourth Proportional to 161,076.10, 222,396.22 and 100,673.90

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Solution

The fourth proportional to 161,076.10, 222,396.22 and 100,673.90 is: 138,999.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,076.10 : 222,396.22 = 100,673.90 : x
  2. Step 2: Convert to fraction form
    161,076.10/222,396.22 = 100,673.90/x
  3. Step 3: Cross multiply
    161,076.10x = 222,396.22 × 100,673.90
  4. Step 4: Simplify right side
    161,076.10x = 22,389,494,812.66
  5. Step 5: Solve for x
    x = 22,389,494,812.66/161,076.10
  6. Step 6: Final answer
    x = 138,999.48

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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.