Home / 195,143.94-269,199.99-130,615.86

Finding the Fourth Proportional to 195,143.94, 269,199.99 and 130,615.86

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Solution

The fourth proportional to 195,143.94, 269,199.99 and 130,615.86 is: 180,183.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,143.94 : 269,199.99 = 130,615.86 : x
  2. Step 2: Convert to fraction form
    195,143.94/269,199.99 = 130,615.86/x
  3. Step 3: Cross multiply
    195,143.94x = 269,199.99 × 130,615.86
  4. Step 4: Simplify right side
    195,143.94x = 35,161,788,205.84
  5. Step 5: Solve for x
    x = 35,161,788,205.84/195,143.94
  6. Step 6: Final answer
    x = 180,183.86

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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.