Home / 158,086.43-218,140.92-93,558.49

Finding the Fourth Proportional to 158,086.43, 218,140.92 and 93,558.49

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Solution

The fourth proportional to 158,086.43, 218,140.92 and 93,558.49 is: 129,099.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,086.43 : 218,140.92 = 93,558.49 : x
  2. Step 2: Convert to fraction form
    158,086.43/218,140.92 = 93,558.49/x
  3. Step 3: Cross multiply
    158,086.43x = 218,140.92 × 93,558.49
  4. Step 4: Simplify right side
    158,086.43x = 20,408,936,027.23
  5. Step 5: Solve for x
    x = 20,408,936,027.23/158,086.43
  6. Step 6: Final answer
    x = 129,099.86

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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.