Home / 236,380.14-354,573.30-78,608.58

Finding the Fourth Proportional to 236,380.14, 354,573.30 and 78,608.58

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Solution

The fourth proportional to 236,380.14, 354,573.30 and 78,608.58 is: 117,913.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,380.14 : 354,573.30 = 78,608.58 : x
  2. Step 2: Convert to fraction form
    236,380.14/354,573.30 = 78,608.58/x
  3. Step 3: Cross multiply
    236,380.14x = 354,573.30 × 78,608.58
  4. Step 4: Simplify right side
    236,380.14x = 27,872,503,618.91
  5. Step 5: Solve for x
    x = 27,872,503,618.91/236,380.14
  6. Step 6: Final answer
    x = 117,913.90

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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.