Home / 227,990.22-341,901.36-78,190.44

Finding the Fourth Proportional to 227,990.22, 341,901.36 and 78,190.44

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Solution

The fourth proportional to 227,990.22, 341,901.36 and 78,190.44 is: 117,256.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,990.22 : 341,901.36 = 78,190.44 : x
  2. Step 2: Convert to fraction form
    227,990.22/341,901.36 = 78,190.44/x
  3. Step 3: Cross multiply
    227,990.22x = 341,901.36 × 78,190.44
  4. Step 4: Simplify right side
    227,990.22x = 26,733,417,775.00
  5. Step 5: Solve for x
    x = 26,733,417,775.00/227,990.22
  6. Step 6: Final answer
    x = 117,256.86

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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.