Home / 219,932.80-329,822.40-114,716.80

Finding the Fourth Proportional to 219,932.80, 329,822.40 and 114,716.80

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Solution

The fourth proportional to 219,932.80, 329,822.40 and 114,716.80 is: 172,035.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,932.80 : 329,822.40 = 114,716.80 : x
  2. Step 2: Convert to fraction form
    219,932.80/329,822.40 = 114,716.80/x
  3. Step 3: Cross multiply
    219,932.80x = 329,822.40 × 114,716.80
  4. Step 4: Simplify right side
    219,932.80x = 37,836,170,296.32
  5. Step 5: Solve for x
    x = 37,836,170,296.32/219,932.80
  6. Step 6: Final answer
    x = 172,035.14

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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.