Home / 135,183.48-186,554.41-74,758.19

Finding the Fourth Proportional to 135,183.48, 186,554.41 and 74,758.19

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Solution

The fourth proportional to 135,183.48, 186,554.41 and 74,758.19 is: 103,166.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,183.48 : 186,554.41 = 74,758.19 : x
  2. Step 2: Convert to fraction form
    135,183.48/186,554.41 = 74,758.19/x
  3. Step 3: Cross multiply
    135,183.48x = 186,554.41 × 74,758.19
  4. Step 4: Simplify right side
    135,183.48x = 13,946,470,028.12
  5. Step 5: Solve for x
    x = 13,946,470,028.12/135,183.48
  6. Step 6: Final answer
    x = 103,166.97

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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.