Home / 155,900.86-215,092.20-95,408.44

Finding the Fourth Proportional to 155,900.86, 215,092.20 and 95,408.44

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Solution

The fourth proportional to 155,900.86, 215,092.20 and 95,408.44 is: 131,632.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,900.86 : 215,092.20 = 95,408.44 : x
  2. Step 2: Convert to fraction form
    155,900.86/215,092.20 = 95,408.44/x
  3. Step 3: Cross multiply
    155,900.86x = 215,092.20 × 95,408.44
  4. Step 4: Simplify right side
    155,900.86x = 20,521,611,258.17
  5. Step 5: Solve for x
    x = 20,521,611,258.17/155,900.86
  6. Step 6: Final answer
    x = 131,632.44

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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.