Home / 142,910.22-214,178.46-58,571.64

Finding the Fourth Proportional to 142,910.22, 214,178.46 and 58,571.64

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Solution

The fourth proportional to 142,910.22, 214,178.46 and 58,571.64 is: 87,780.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,910.22 : 214,178.46 = 58,571.64 : x
  2. Step 2: Convert to fraction form
    142,910.22/214,178.46 = 58,571.64/x
  3. Step 3: Cross multiply
    142,910.22x = 214,178.46 × 58,571.64
  4. Step 4: Simplify right side
    142,910.22x = 12,544,783,654.87
  5. Step 5: Solve for x
    x = 12,544,783,654.87/142,910.22
  6. Step 6: Final answer
    x = 87,780.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.