Home / 263,131.73-363,038.90-161,050.78

Finding the Fourth Proportional to 263,131.73, 363,038.90 and 161,050.78

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Solution

The fourth proportional to 263,131.73, 363,038.90 and 161,050.78 is: 222,199.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,131.73 : 363,038.90 = 161,050.78 : x
  2. Step 2: Convert to fraction form
    263,131.73/363,038.90 = 161,050.78/x
  3. Step 3: Cross multiply
    263,131.73x = 363,038.90 × 161,050.78
  4. Step 4: Simplify right side
    263,131.73x = 58,467,696,200.15
  5. Step 5: Solve for x
    x = 58,467,696,200.15/263,131.73
  6. Step 6: Final answer
    x = 222,199.34

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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.