Home / 141,378.37-195,103.53-76,847.89

Finding the Fourth Proportional to 141,378.37, 195,103.53 and 76,847.89

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Solution

The fourth proportional to 141,378.37, 195,103.53 and 76,847.89 is: 106,050.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,378.37 : 195,103.53 = 76,847.89 : x
  2. Step 2: Convert to fraction form
    141,378.37/195,103.53 = 76,847.89/x
  3. Step 3: Cross multiply
    141,378.37x = 195,103.53 × 76,847.89
  4. Step 4: Simplify right side
    141,378.37x = 14,993,294,612.05
  5. Step 5: Solve for x
    x = 14,993,294,612.05/141,378.37
  6. Step 6: Final answer
    x = 106,050.84

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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.