Home / 219,271.20-328,879.46-61,511.96

Finding the Fourth Proportional to 219,271.20, 328,879.46 and 61,511.96

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Solution

The fourth proportional to 219,271.20, 328,879.46 and 61,511.96 is: 92,260.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,271.20 : 328,879.46 = 61,511.96 : x
  2. Step 2: Convert to fraction form
    219,271.20/328,879.46 = 61,511.96/x
  3. Step 3: Cross multiply
    219,271.20x = 328,879.46 × 61,511.96
  4. Step 4: Simplify right side
    219,271.20x = 20,230,018,236.38
  5. Step 5: Solve for x
    x = 20,230,018,236.38/219,271.20
  6. Step 6: Final answer
    x = 92,260.26

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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.