Home / 118,961.15-164,080.32-101,027.75

Finding the Fourth Proportional to 118,961.15, 164,080.32 and 101,027.75

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Solution

The fourth proportional to 118,961.15, 164,080.32 and 101,027.75 is: 139,345.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,961.15 : 164,080.32 = 101,027.75 : x
  2. Step 2: Convert to fraction form
    118,961.15/164,080.32 = 101,027.75/x
  3. Step 3: Cross multiply
    118,961.15x = 164,080.32 × 101,027.75
  4. Step 4: Simplify right side
    118,961.15x = 16,576,665,548.88
  5. Step 5: Solve for x
    x = 16,576,665,548.88/118,961.15
  6. Step 6: Final answer
    x = 139,345.20

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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.