Home / 236,018.67-353,951.46-78,204.75

Finding the Fourth Proportional to 236,018.67, 353,951.46 and 78,204.75

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Solution

The fourth proportional to 236,018.67, 353,951.46 and 78,204.75 is: 117,281.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,018.67 : 353,951.46 = 78,204.75 : x
  2. Step 2: Convert to fraction form
    236,018.67/353,951.46 = 78,204.75/x
  3. Step 3: Cross multiply
    236,018.67x = 353,951.46 × 78,204.75
  4. Step 4: Simplify right side
    236,018.67x = 27,680,685,441.44
  5. Step 5: Solve for x
    x = 27,680,685,441.44/236,018.67
  6. Step 6: Final answer
    x = 117,281.76

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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.