Home / 219,051.54-328,243.79-162,626.94

Finding the Fourth Proportional to 219,051.54, 328,243.79 and 162,626.94

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Solution

The fourth proportional to 219,051.54, 328,243.79 and 162,626.94 is: 243,692.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,051.54 : 328,243.79 = 162,626.94 : x
  2. Step 2: Convert to fraction form
    219,051.54/328,243.79 = 162,626.94/x
  3. Step 3: Cross multiply
    219,051.54x = 328,243.79 × 162,626.94
  4. Step 4: Simplify right side
    219,051.54x = 53,381,283,548.27
  5. Step 5: Solve for x
    x = 53,381,283,548.27/219,051.54
  6. Step 6: Final answer
    x = 243,692.80

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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.