Home / 328,936.64-453,933.60-178,034.24

Finding the Fourth Proportional to 328,936.64, 453,933.60 and 178,034.24

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Solution

The fourth proportional to 328,936.64, 453,933.60 and 178,034.24 is: 245,687.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,936.64 : 453,933.60 = 178,034.24 : x
  2. Step 2: Convert to fraction form
    328,936.64/453,933.60 = 178,034.24/x
  3. Step 3: Cross multiply
    328,936.64x = 453,933.60 × 178,034.24
  4. Step 4: Simplify right side
    328,936.64x = 80,815,723,486.46
  5. Step 5: Solve for x
    x = 80,815,723,486.46/328,936.64
  6. Step 6: Final answer
    x = 245,687.81

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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.