Home / 191,204.20-263,868.22-105,169.82

Finding the Fourth Proportional to 191,204.20, 263,868.22 and 105,169.82

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Solution

The fourth proportional to 191,204.20, 263,868.22 and 105,169.82 is: 145,137.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,204.20 : 263,868.22 = 105,169.82 : x
  2. Step 2: Convert to fraction form
    191,204.20/263,868.22 = 105,169.82/x
  3. Step 3: Cross multiply
    191,204.20x = 263,868.22 × 105,169.82
  4. Step 4: Simplify right side
    191,204.20x = 27,750,973,201.12
  5. Step 5: Solve for x
    x = 27,750,973,201.12/191,204.20
  6. Step 6: Final answer
    x = 145,137.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.