Home / 155,660.94-214,828.25-95,271.80

Finding the Fourth Proportional to 155,660.94, 214,828.25 and 95,271.80

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Solution

The fourth proportional to 155,660.94, 214,828.25 and 95,271.80 is: 131,484.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,660.94 : 214,828.25 = 95,271.80 : x
  2. Step 2: Convert to fraction form
    155,660.94/214,828.25 = 95,271.80/x
  3. Step 3: Cross multiply
    155,660.94x = 214,828.25 × 95,271.80
  4. Step 4: Simplify right side
    155,660.94x = 20,467,072,517.85
  5. Step 5: Solve for x
    x = 20,467,072,517.85/155,660.94
  6. Step 6: Final answer
    x = 131,484.96

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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.