Home / 155,163.38-214,125.66-88,095.38

Finding the Fourth Proportional to 155,163.38, 214,125.66 and 88,095.38

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Solution

The fourth proportional to 155,163.38, 214,125.66 and 88,095.38 is: 121,571.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,163.38 : 214,125.66 = 88,095.38 : x
  2. Step 2: Convert to fraction form
    155,163.38/214,125.66 = 88,095.38/x
  3. Step 3: Cross multiply
    155,163.38x = 214,125.66 × 88,095.38
  4. Step 4: Simplify right side
    155,163.38x = 18,863,481,385.45
  5. Step 5: Solve for x
    x = 18,863,481,385.45/155,163.38
  6. Step 6: Final answer
    x = 121,571.74

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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.