Home / 127,629.12-191,443.64-34,132.44

Finding the Fourth Proportional to 127,629.12, 191,443.64 and 34,132.44

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Solution

The fourth proportional to 127,629.12, 191,443.64 and 34,132.44 is: 51,198.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,629.12 : 191,443.64 = 34,132.44 : x
  2. Step 2: Convert to fraction form
    127,629.12/191,443.64 = 34,132.44/x
  3. Step 3: Cross multiply
    127,629.12x = 191,443.64 × 34,132.44
  4. Step 4: Simplify right side
    127,629.12x = 6,534,438,385.02
  5. Step 5: Solve for x
    x = 6,534,438,385.02/127,629.12
  6. Step 6: Final answer
    x = 51,198.65

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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.