Home / 135,469.20-186,928.98-75,024.92

Finding the Fourth Proportional to 135,469.20, 186,928.98 and 75,024.92

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Solution

The fourth proportional to 135,469.20, 186,928.98 and 75,024.92 is: 103,524.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,469.20 : 186,928.98 = 75,024.92 : x
  2. Step 2: Convert to fraction form
    135,469.20/186,928.98 = 75,024.92/x
  3. Step 3: Cross multiply
    135,469.20x = 186,928.98 × 75,024.92
  4. Step 4: Simplify right side
    135,469.20x = 14,024,331,770.18
  5. Step 5: Solve for x
    x = 14,024,331,770.18/135,469.20
  6. Step 6: Final answer
    x = 103,524.14

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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.