Home / 135,169.05-186,537.22-73,918.85

Finding the Fourth Proportional to 135,169.05, 186,537.22 and 73,918.85

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Solution

The fourth proportional to 135,169.05, 186,537.22 and 73,918.85 is: 102,010.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,169.05 : 186,537.22 = 73,918.85 : x
  2. Step 2: Convert to fraction form
    135,169.05/186,537.22 = 73,918.85/x
  3. Step 3: Cross multiply
    135,169.05x = 186,537.22 × 73,918.85
  4. Step 4: Simplify right side
    135,169.05x = 13,788,615,851.91
  5. Step 5: Solve for x
    x = 13,788,615,851.91/135,169.05
  6. Step 6: Final answer
    x = 102,010.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.