Home / 219,376.56-328,996.80-79,116.96

Finding the Fourth Proportional to 219,376.56, 328,996.80 and 79,116.96

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Solution

The fourth proportional to 219,376.56, 328,996.80 and 79,116.96 is: 118,650.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,376.56 : 328,996.80 = 79,116.96 : x
  2. Step 2: Convert to fraction form
    219,376.56/328,996.80 = 79,116.96/x
  3. Step 3: Cross multiply
    219,376.56x = 328,996.80 × 79,116.96
  4. Step 4: Simplify right side
    219,376.56x = 26,029,226,665.73
  5. Step 5: Solve for x
    x = 26,029,226,665.73/219,376.56
  6. Step 6: Final answer
    x = 118,650.90

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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.