Home / 168,537.80-252,708.89-79,790.55

Finding the Fourth Proportional to 168,537.80, 252,708.89 and 79,790.55

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Solution

The fourth proportional to 168,537.80, 252,708.89 and 79,790.55 is: 119,639.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,537.80 : 252,708.89 = 79,790.55 : x
  2. Step 2: Convert to fraction form
    168,537.80/252,708.89 = 79,790.55/x
  3. Step 3: Cross multiply
    168,537.80x = 252,708.89 × 79,790.55
  4. Step 4: Simplify right side
    168,537.80x = 20,163,780,924.04
  5. Step 5: Solve for x
    x = 20,163,780,924.04/168,537.80
  6. Step 6: Final answer
    x = 119,639.52

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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.