Home / 190,273.80-285,204.69-123,761.46

Finding the Fourth Proportional to 190,273.80, 285,204.69 and 123,761.46

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Solution

The fourth proportional to 190,273.80, 285,204.69 and 123,761.46 is: 185,508.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,273.80 : 285,204.69 = 123,761.46 : x
  2. Step 2: Convert to fraction form
    190,273.80/285,204.69 = 123,761.46/x
  3. Step 3: Cross multiply
    190,273.80x = 285,204.69 × 123,761.46
  4. Step 4: Simplify right side
    190,273.80x = 35,297,348,833.25
  5. Step 5: Solve for x
    x = 35,297,348,833.25/190,273.80
  6. Step 6: Final answer
    x = 185,508.19

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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.