Home / 134,824.38-186,057.43-74,394.98

Finding the Fourth Proportional to 134,824.38, 186,057.43 and 74,394.98

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Solution

The fourth proportional to 134,824.38, 186,057.43 and 74,394.98 is: 102,664.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,824.38 : 186,057.43 = 74,394.98 : x
  2. Step 2: Convert to fraction form
    134,824.38/186,057.43 = 74,394.98/x
  3. Step 3: Cross multiply
    134,824.38x = 186,057.43 × 74,394.98
  4. Step 4: Simplify right side
    134,824.38x = 13,841,737,667.43
  5. Step 5: Solve for x
    x = 13,841,737,667.43/134,824.38
  6. Step 6: Final answer
    x = 102,664.95

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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.