Home / 168,481.04-252,678.36-79,710.80

Finding the Fourth Proportional to 168,481.04, 252,678.36 and 79,710.80

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Solution

The fourth proportional to 168,481.04, 252,678.36 and 79,710.80 is: 119,545.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,481.04 : 252,678.36 = 79,710.80 : x
  2. Step 2: Convert to fraction form
    168,481.04/252,678.36 = 79,710.80/x
  3. Step 3: Cross multiply
    168,481.04x = 252,678.36 × 79,710.80
  4. Step 4: Simplify right side
    168,481.04x = 20,141,194,218.29
  5. Step 5: Solve for x
    x = 20,141,194,218.29/168,481.04
  6. Step 6: Final answer
    x = 119,545.76

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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.