Home / 195,093.56-292,505.88-76,778.48

Finding the Fourth Proportional to 195,093.56, 292,505.88 and 76,778.48

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Solution

The fourth proportional to 195,093.56, 292,505.88 and 76,778.48 is: 115,114.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,093.56 : 292,505.88 = 76,778.48 : x
  2. Step 2: Convert to fraction form
    195,093.56/292,505.88 = 76,778.48/x
  3. Step 3: Cross multiply
    195,093.56x = 292,505.88 × 76,778.48
  4. Step 4: Simplify right side
    195,093.56x = 22,458,157,876.65
  5. Step 5: Solve for x
    x = 22,458,157,876.65/195,093.56
  6. Step 6: Final answer
    x = 115,114.81

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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.