Home / 141,289.88-194,976.90-76,757.45

Finding the Fourth Proportional to 141,289.88, 194,976.90 and 76,757.45

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Solution

The fourth proportional to 141,289.88, 194,976.90 and 76,757.45 is: 105,923.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,289.88 : 194,976.90 = 76,757.45 : x
  2. Step 2: Convert to fraction form
    141,289.88/194,976.90 = 76,757.45/x
  3. Step 3: Cross multiply
    141,289.88x = 194,976.90 × 76,757.45
  4. Step 4: Simplify right side
    141,289.88x = 14,965,929,652.91
  5. Step 5: Solve for x
    x = 14,965,929,652.91/141,289.88
  6. Step 6: Final answer
    x = 105,923.58

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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.