Home / 151,644.63-209,311.16-88,002.75

Finding the Fourth Proportional to 151,644.63, 209,311.16 and 88,002.75

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Solution

The fourth proportional to 151,644.63, 209,311.16 and 88,002.75 is: 121,467.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,644.63 : 209,311.16 = 88,002.75 : x
  2. Step 2: Convert to fraction form
    151,644.63/209,311.16 = 88,002.75/x
  3. Step 3: Cross multiply
    151,644.63x = 209,311.16 × 88,002.75
  4. Step 4: Simplify right side
    151,644.63x = 18,419,957,245.68
  5. Step 5: Solve for x
    x = 18,419,957,245.68/151,644.63
  6. Step 6: Final answer
    x = 121,467.92

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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.