Home / 135,166.96-186,517.24-74,729.33

Finding the Fourth Proportional to 135,166.96, 186,517.24 and 74,729.33

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Solution

The fourth proportional to 135,166.96, 186,517.24 and 74,729.33 is: 103,119.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,166.96 : 186,517.24 = 74,729.33 : x
  2. Step 2: Convert to fraction form
    135,166.96/186,517.24 = 74,729.33/x
  3. Step 3: Cross multiply
    135,166.96x = 186,517.24 × 74,729.33
  4. Step 4: Simplify right side
    135,166.96x = 13,938,307,072.42
  5. Step 5: Solve for x
    x = 13,938,307,072.42/135,166.96
  6. Step 6: Final answer
    x = 103,119.19

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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.