Home / 147,418.56-203,435.36-82,887.86

Finding the Fourth Proportional to 147,418.56, 203,435.36 and 82,887.86

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Solution

The fourth proportional to 147,418.56, 203,435.36 and 82,887.86 is: 114,383.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,418.56 : 203,435.36 = 82,887.86 : x
  2. Step 2: Convert to fraction form
    147,418.56/203,435.36 = 82,887.86/x
  3. Step 3: Cross multiply
    147,418.56x = 203,435.36 × 82,887.86
  4. Step 4: Simplify right side
    147,418.56x = 16,862,321,638.73
  5. Step 5: Solve for x
    x = 16,862,321,638.73/147,418.56
  6. Step 6: Final answer
    x = 114,383.98

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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.