Home / 195,236.58-292,743.90-76,843.74

Finding the Fourth Proportional to 195,236.58, 292,743.90 and 76,843.74

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Solution

The fourth proportional to 195,236.58, 292,743.90 and 76,843.74 is: 115,221.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,236.58 : 292,743.90 = 76,843.74 : x
  2. Step 2: Convert to fraction form
    195,236.58/292,743.90 = 76,843.74/x
  3. Step 3: Cross multiply
    195,236.58x = 292,743.90 × 76,843.74
  4. Step 4: Simplify right side
    195,236.58x = 22,495,536,138.19
  5. Step 5: Solve for x
    x = 22,495,536,138.19/195,236.58
  6. Step 6: Final answer
    x = 115,221.93

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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.