Home / 195,431.81-269,327.30-156,625.54

Finding the Fourth Proportional to 195,431.81, 269,327.30 and 156,625.54

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Solution

The fourth proportional to 195,431.81, 269,327.30 and 156,625.54 is: 215,847.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,431.81 : 269,327.30 = 156,625.54 : x
  2. Step 2: Convert to fraction form
    195,431.81/269,327.30 = 156,625.54/x
  3. Step 3: Cross multiply
    195,431.81x = 269,327.30 × 156,625.54
  4. Step 4: Simplify right side
    195,431.81x = 42,183,532,342.80
  5. Step 5: Solve for x
    x = 42,183,532,342.80/195,431.81
  6. Step 6: Final answer
    x = 215,847.84

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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.