Home / 219,675.38-329,538.67-79,500.02

Finding the Fourth Proportional to 219,675.38, 329,538.67 and 79,500.02

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Solution

The fourth proportional to 219,675.38, 329,538.67 and 79,500.02 is: 119,259.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,675.38 : 329,538.67 = 79,500.02 : x
  2. Step 2: Convert to fraction form
    219,675.38/329,538.67 = 79,500.02/x
  3. Step 3: Cross multiply
    219,675.38x = 329,538.67 × 79,500.02
  4. Step 4: Simplify right side
    219,675.38x = 26,198,330,855.77
  5. Step 5: Solve for x
    x = 26,198,330,855.77/219,675.38
  6. Step 6: Final answer
    x = 119,259.29

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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.