Home / 165,153.94-227,912.66-89,702.44

Finding the Fourth Proportional to 165,153.94, 227,912.66 and 89,702.44

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Solution

The fourth proportional to 165,153.94, 227,912.66 and 89,702.44 is: 123,789.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,153.94 : 227,912.66 = 89,702.44 : x
  2. Step 2: Convert to fraction form
    165,153.94/227,912.66 = 89,702.44/x
  3. Step 3: Cross multiply
    165,153.94x = 227,912.66 × 89,702.44
  4. Step 4: Simplify right side
    165,153.94x = 20,444,321,279.27
  5. Step 5: Solve for x
    x = 20,444,321,279.27/165,153.94
  6. Step 6: Final answer
    x = 123,789.49

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1.5x scale

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.