Home / 168,788.93-253,307.82-80,042.69

Finding the Fourth Proportional to 168,788.93, 253,307.82 and 80,042.69

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Solution

The fourth proportional to 168,788.93, 253,307.82 and 80,042.69 is: 120,123.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,788.93 : 253,307.82 = 80,042.69 : x
  2. Step 2: Convert to fraction form
    168,788.93/253,307.82 = 80,042.69/x
  3. Step 3: Cross multiply
    168,788.93x = 253,307.82 × 80,042.69
  4. Step 4: Simplify right side
    168,788.93x = 20,275,438,044.30
  5. Step 5: Solve for x
    x = 20,275,438,044.30/168,788.93
  6. Step 6: Final answer
    x = 120,123.04

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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.