Home / 329,836.38-455,175.06-178,933.38

Finding the Fourth Proportional to 329,836.38, 455,175.06 and 178,933.38

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Solution

The fourth proportional to 329,836.38, 455,175.06 and 178,933.38 is: 246,928.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,836.38 : 455,175.06 = 178,933.38 : x
  2. Step 2: Convert to fraction form
    329,836.38/455,175.06 = 178,933.38/x
  3. Step 3: Cross multiply
    329,836.38x = 455,175.06 × 178,933.38
  4. Step 4: Simplify right side
    329,836.38x = 81,446,011,977.50
  5. Step 5: Solve for x
    x = 81,446,011,977.50/329,836.38
  6. Step 6: Final answer
    x = 246,928.53

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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.