Home / 195,539.72-269,811.96-113,885.24

Finding the Fourth Proportional to 195,539.72, 269,811.96 and 113,885.24

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Solution

The fourth proportional to 195,539.72, 269,811.96 and 113,885.24 is: 157,142.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,539.72 : 269,811.96 = 113,885.24 : x
  2. Step 2: Convert to fraction form
    195,539.72/269,811.96 = 113,885.24/x
  3. Step 3: Cross multiply
    195,539.72x = 269,811.96 × 113,885.24
  4. Step 4: Simplify right side
    195,539.72x = 30,727,599,819.47
  5. Step 5: Solve for x
    x = 30,727,599,819.47/195,539.72
  6. Step 6: Final answer
    x = 157,142.50

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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.