Home / 128,896.76-193,373.22-52,995.85

Finding the Fourth Proportional to 128,896.76, 193,373.22 and 52,995.85

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Solution

The fourth proportional to 128,896.76, 193,373.22 and 52,995.85 is: 79,505.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,896.76 : 193,373.22 = 52,995.85 : x
  2. Step 2: Convert to fraction form
    128,896.76/193,373.22 = 52,995.85/x
  3. Step 3: Cross multiply
    128,896.76x = 193,373.22 × 52,995.85
  4. Step 4: Simplify right side
    128,896.76x = 10,247,978,161.14
  5. Step 5: Solve for x
    x = 10,247,978,161.14/128,896.76
  6. Step 6: Final answer
    x = 79,505.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.