Home / 236,021.58-354,180-95,780.21

Finding the Fourth Proportional to 236,021.58, 354,180 and 95,780.21

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Solution

The fourth proportional to 236,021.58, 354,180 and 95,780.21 is: 143,730.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,021.58 : 354,180 = 95,780.21 : x
  2. Step 2: Convert to fraction form
    236,021.58/354,180 = 95,780.21/x
  3. Step 3: Cross multiply
    236,021.58x = 354,180 × 95,780.21
  4. Step 4: Simplify right side
    236,021.58x = 33,923,433,006.90
  5. Step 5: Solve for x
    x = 33,923,433,006.90/236,021.58
  6. Step 6: Final answer
    x = 143,730.22

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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.