Home / 219,311.10-328,966.65-166,823.10

Finding the Fourth Proportional to 219,311.10, 328,966.65 and 166,823.10

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Solution

The fourth proportional to 219,311.10, 328,966.65 and 166,823.10 is: 250,234.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,311.10 : 328,966.65 = 166,823.10 : x
  2. Step 2: Convert to fraction form
    219,311.10/328,966.65 = 166,823.10/x
  3. Step 3: Cross multiply
    219,311.10x = 328,966.65 × 166,823.10
  4. Step 4: Simplify right side
    219,311.10x = 54,879,236,349.62
  5. Step 5: Solve for x
    x = 54,879,236,349.62/219,311.10
  6. Step 6: Final answer
    x = 250,234.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.