Home / 178,899.90-246,905.22-115,422.36

Finding the Fourth Proportional to 178,899.90, 246,905.22 and 115,422.36

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Solution

The fourth proportional to 178,899.90, 246,905.22 and 115,422.36 is: 159,297.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,899.90 : 246,905.22 = 115,422.36 : x
  2. Step 2: Convert to fraction form
    178,899.90/246,905.22 = 115,422.36/x
  3. Step 3: Cross multiply
    178,899.90x = 246,905.22 × 115,422.36
  4. Step 4: Simplify right side
    178,899.90x = 28,498,383,188.72
  5. Step 5: Solve for x
    x = 28,498,383,188.72/178,899.90
  6. Step 6: Final answer
    x = 159,297.93

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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.