Home / 134,734.85-185,942.62-74,305.61

Finding the Fourth Proportional to 134,734.85, 185,942.62 and 74,305.61

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Solution

The fourth proportional to 134,734.85, 185,942.62 and 74,305.61 is: 102,546.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,734.85 : 185,942.62 = 74,305.61 : x
  2. Step 2: Convert to fraction form
    134,734.85/185,942.62 = 74,305.61/x
  3. Step 3: Cross multiply
    134,734.85x = 185,942.62 × 74,305.61
  4. Step 4: Simplify right side
    134,734.85x = 13,816,579,804.10
  5. Step 5: Solve for x
    x = 13,816,579,804.10/134,734.85
  6. Step 6: Final answer
    x = 102,546.44

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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.