Home / 135,226.79-186,766.13-92,131.50

Finding the Fourth Proportional to 135,226.79, 186,766.13 and 92,131.50

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Solution

The fourth proportional to 135,226.79, 186,766.13 and 92,131.50 is: 127,245.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,226.79 : 186,766.13 = 92,131.50 : x
  2. Step 2: Convert to fraction form
    135,226.79/186,766.13 = 92,131.50/x
  3. Step 3: Cross multiply
    135,226.79x = 186,766.13 × 92,131.50
  4. Step 4: Simplify right side
    135,226.79x = 17,207,043,706.10
  5. Step 5: Solve for x
    x = 17,207,043,706.10/135,226.79
  6. Step 6: Final answer
    x = 127,245.82

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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.