Home / 135,032.25-186,342.30-74,605.44

Finding the Fourth Proportional to 135,032.25, 186,342.30 and 74,605.44

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Solution

The fourth proportional to 135,032.25, 186,342.30 and 74,605.44 is: 102,954.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,032.25 : 186,342.30 = 74,605.44 : x
  2. Step 2: Convert to fraction form
    135,032.25/186,342.30 = 74,605.44/x
  3. Step 3: Cross multiply
    135,032.25x = 186,342.30 × 74,605.44
  4. Step 4: Simplify right side
    135,032.25x = 13,902,149,282.11
  5. Step 5: Solve for x
    x = 13,902,149,282.11/135,032.25
  6. Step 6: Final answer
    x = 102,954.29

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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.