Home / 219,613.38-329,415.96-69,864.02

Finding the Fourth Proportional to 219,613.38, 329,415.96 and 69,864.02

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Solution

The fourth proportional to 219,613.38, 329,415.96 and 69,864.02 is: 104,794.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,613.38 : 329,415.96 = 69,864.02 : x
  2. Step 2: Convert to fraction form
    219,613.38/329,415.96 = 69,864.02/x
  3. Step 3: Cross multiply
    219,613.38x = 329,415.96 × 69,864.02
  4. Step 4: Simplify right side
    219,613.38x = 23,014,323,067.98
  5. Step 5: Solve for x
    x = 23,014,323,067.98/219,613.38
  6. Step 6: Final answer
    x = 104,794.72

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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.