Home / 331,178.59-457,037.49-186,009.92

Finding the Fourth Proportional to 331,178.59, 457,037.49 and 186,009.92

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Solution

The fourth proportional to 331,178.59, 457,037.49 and 186,009.92 is: 256,699.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,178.59 : 457,037.49 = 186,009.92 : x
  2. Step 2: Convert to fraction form
    331,178.59/457,037.49 = 186,009.92/x
  3. Step 3: Cross multiply
    331,178.59x = 457,037.49 × 186,009.92
  4. Step 4: Simplify right side
    331,178.59x = 85,013,505,508.68
  5. Step 5: Solve for x
    x = 85,013,505,508.68/331,178.59
  6. Step 6: Final answer
    x = 256,699.88

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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.