Home / 195,093.94-292,506.45-76,778.86

Finding the Fourth Proportional to 195,093.94, 292,506.45 and 76,778.86

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Solution

The fourth proportional to 195,093.94, 292,506.45 and 76,778.86 is: 115,115.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,093.94 : 292,506.45 = 76,778.86 : x
  2. Step 2: Convert to fraction form
    195,093.94/292,506.45 = 76,778.86/x
  3. Step 3: Cross multiply
    195,093.94x = 292,506.45 × 76,778.86
  4. Step 4: Simplify right side
    195,093.94x = 22,458,310,754.46
  5. Step 5: Solve for x
    x = 22,458,310,754.46/195,093.94
  6. Step 6: Final answer
    x = 115,115.37

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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.