Home / 168,033.09-252,074.53-54,142.74

Finding the Fourth Proportional to 168,033.09, 252,074.53 and 54,142.74

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Solution

The fourth proportional to 168,033.09, 252,074.53 and 54,142.74 is: 81,222.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,033.09 : 252,074.53 = 54,142.74 : x
  2. Step 2: Convert to fraction form
    168,033.09/252,074.53 = 54,142.74/x
  3. Step 3: Cross multiply
    168,033.09x = 252,074.53 × 54,142.74
  4. Step 4: Simplify right side
    168,033.09x = 13,648,005,806.09
  5. Step 5: Solve for x
    x = 13,648,005,806.09/168,033.09
  6. Step 6: Final answer
    x = 81,222.13

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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.