Home / 168,394.50-252,699.30-79,653.24

Finding the Fourth Proportional to 168,394.50, 252,699.30 and 79,653.24

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Solution

The fourth proportional to 168,394.50, 252,699.30 and 79,653.24 is: 119,530.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,394.50 : 252,699.30 = 79,653.24 : x
  2. Step 2: Convert to fraction form
    168,394.50/252,699.30 = 79,653.24/x
  3. Step 3: Cross multiply
    168,394.50x = 252,699.30 × 79,653.24
  4. Step 4: Simplify right side
    168,394.50x = 20,128,317,990.73
  5. Step 5: Solve for x
    x = 20,128,317,990.73/168,394.50
  6. Step 6: Final answer
    x = 119,530.73

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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.