Home / 109,194.78-163,796.82-38,124.56

Finding the Fourth Proportional to 109,194.78, 163,796.82 and 38,124.56

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Solution

The fourth proportional to 109,194.78, 163,796.82 and 38,124.56 is: 57,188.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,194.78 : 163,796.82 = 38,124.56 : x
  2. Step 2: Convert to fraction form
    109,194.78/163,796.82 = 38,124.56/x
  3. Step 3: Cross multiply
    109,194.78x = 163,796.82 × 38,124.56
  4. Step 4: Simplify right side
    109,194.78x = 6,244,681,691.90
  5. Step 5: Solve for x
    x = 6,244,681,691.90/109,194.78
  6. Step 6: Final answer
    x = 57,188.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.