Home / 168,733.55-253,224.68-79,986.71

Finding the Fourth Proportional to 168,733.55, 253,224.68 and 79,986.71

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Solution

The fourth proportional to 168,733.55, 253,224.68 and 79,986.71 is: 120,039.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,733.55 : 253,224.68 = 79,986.71 : x
  2. Step 2: Convert to fraction form
    168,733.55/253,224.68 = 79,986.71/x
  3. Step 3: Cross multiply
    168,733.55x = 253,224.68 × 79,986.71
  4. Step 4: Simplify right side
    168,733.55x = 20,254,609,044.00
  5. Step 5: Solve for x
    x = 20,254,609,044.00/168,733.55
  6. Step 6: Final answer
    x = 120,039.01

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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.