Home / 118,190.72-177,247.59-39,283.76

Finding the Fourth Proportional to 118,190.72, 177,247.59 and 39,283.76

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Solution

The fourth proportional to 118,190.72, 177,247.59 and 39,283.76 is: 58,912.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,190.72 : 177,247.59 = 39,283.76 : x
  2. Step 2: Convert to fraction form
    118,190.72/177,247.59 = 39,283.76/x
  3. Step 3: Cross multiply
    118,190.72x = 177,247.59 × 39,283.76
  4. Step 4: Simplify right side
    118,190.72x = 6,962,951,786.14
  5. Step 5: Solve for x
    x = 6,962,951,786.14/118,190.72
  6. Step 6: Final answer
    x = 58,912.85

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1.5x scale

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.