Home / 118,508.62-177,812.34-51,996.55

Finding the Fourth Proportional to 118,508.62, 177,812.34 and 51,996.55

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Solution

The fourth proportional to 118,508.62, 177,812.34 and 51,996.55 is: 78,016.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,508.62 : 177,812.34 = 51,996.55 : x
  2. Step 2: Convert to fraction form
    118,508.62/177,812.34 = 51,996.55/x
  3. Step 3: Cross multiply
    118,508.62x = 177,812.34 × 51,996.55
  4. Step 4: Simplify right side
    118,508.62x = 9,245,628,227.43
  5. Step 5: Solve for x
    x = 9,245,628,227.43/118,508.62
  6. Step 6: Final answer
    x = 78,016.50

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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.