Home / 134,516.22-185,640.81-74,086.85

Finding the Fourth Proportional to 134,516.22, 185,640.81 and 74,086.85

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Solution

The fourth proportional to 134,516.22, 185,640.81 and 74,086.85 is: 102,244.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,516.22 : 185,640.81 = 74,086.85 : x
  2. Step 2: Convert to fraction form
    134,516.22/185,640.81 = 74,086.85/x
  3. Step 3: Cross multiply
    134,516.22x = 185,640.81 × 74,086.85
  4. Step 4: Simplify right side
    134,516.22x = 13,753,543,308.45
  5. Step 5: Solve for x
    x = 13,753,543,308.45/134,516.22
  6. Step 6: Final answer
    x = 102,244.50

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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.