Home / 175,590.13-263,385.20-82,161.49

Finding the Fourth Proportional to 175,590.13, 263,385.20 and 82,161.49

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Solution

The fourth proportional to 175,590.13, 263,385.20 and 82,161.49 is: 123,242.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,590.13 : 263,385.20 = 82,161.49 : x
  2. Step 2: Convert to fraction form
    175,590.13/263,385.20 = 82,161.49/x
  3. Step 3: Cross multiply
    175,590.13x = 263,385.20 × 82,161.49
  4. Step 4: Simplify right side
    175,590.13x = 21,640,120,475.95
  5. Step 5: Solve for x
    x = 21,640,120,475.95/175,590.13
  6. Step 6: Final answer
    x = 123,242.24

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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.