Home / 143,714.44-198,327.99-83,289.25

Finding the Fourth Proportional to 143,714.44, 198,327.99 and 83,289.25

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Solution

The fourth proportional to 143,714.44, 198,327.99 and 83,289.25 is: 114,940.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,714.44 : 198,327.99 = 83,289.25 : x
  2. Step 2: Convert to fraction form
    143,714.44/198,327.99 = 83,289.25/x
  3. Step 3: Cross multiply
    143,714.44x = 198,327.99 × 83,289.25
  4. Step 4: Simplify right side
    143,714.44x = 16,518,589,541.11
  5. Step 5: Solve for x
    x = 16,518,589,541.11/143,714.44
  6. Step 6: Final answer
    x = 114,940.36

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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.