Home / 161,742.30-222,201.26-133,359.90

Finding the Fourth Proportional to 161,742.30, 222,201.26 and 133,359.90

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Solution

The fourth proportional to 161,742.30, 222,201.26 and 133,359.90 is: 183,209.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,742.30 : 222,201.26 = 133,359.90 : x
  2. Step 2: Convert to fraction form
    161,742.30/222,201.26 = 133,359.90/x
  3. Step 3: Cross multiply
    161,742.30x = 222,201.26 × 133,359.90
  4. Step 4: Simplify right side
    161,742.30x = 29,632,737,146.67
  5. Step 5: Solve for x
    x = 29,632,737,146.67/161,742.30
  6. Step 6: Final answer
    x = 183,209.57

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.