Home / 134,842.35-186,083.24-74,414.55

Finding the Fourth Proportional to 134,842.35, 186,083.24 and 74,414.55

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Solution

The fourth proportional to 134,842.35, 186,083.24 and 74,414.55 is: 102,692.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,842.35 : 186,083.24 = 74,414.55 : x
  2. Step 2: Convert to fraction form
    134,842.35/186,083.24 = 74,414.55/x
  3. Step 3: Cross multiply
    134,842.35x = 186,083.24 × 74,414.55
  4. Step 4: Simplify right side
    134,842.35x = 13,847,300,195.07
  5. Step 5: Solve for x
    x = 13,847,300,195.07/134,842.35
  6. Step 6: Final answer
    x = 102,692.52

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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.