Home / 331,624.56-457,511.99-204,078.72

Finding the Fourth Proportional to 331,624.56, 457,511.99 and 204,078.72

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Solution

The fourth proportional to 331,624.56, 457,511.99 and 204,078.72 is: 281,548.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,624.56 : 457,511.99 = 204,078.72 : x
  2. Step 2: Convert to fraction form
    331,624.56/457,511.99 = 204,078.72/x
  3. Step 3: Cross multiply
    331,624.56x = 457,511.99 × 204,078.72
  4. Step 4: Simplify right side
    331,624.56x = 93,368,460,283.46
  5. Step 5: Solve for x
    x = 93,368,460,283.46/331,624.56
  6. Step 6: Final answer
    x = 281,548.69

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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.