Home / 329,936.14-455,321.96-193,945.13

Finding the Fourth Proportional to 329,936.14, 455,321.96 and 193,945.13

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Solution

The fourth proportional to 329,936.14, 455,321.96 and 193,945.13 is: 267,650.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,936.14 : 455,321.96 = 193,945.13 : x
  2. Step 2: Convert to fraction form
    329,936.14/455,321.96 = 193,945.13/x
  3. Step 3: Cross multiply
    329,936.14x = 455,321.96 × 193,945.13
  4. Step 4: Simplify right side
    329,936.14x = 88,307,476,724.05
  5. Step 5: Solve for x
    x = 88,307,476,724.05/329,936.14
  6. Step 6: Final answer
    x = 267,650.21

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1.5x scale

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.