Home / 219,435.82-329,168.08-67,614.28

Finding the Fourth Proportional to 219,435.82, 329,168.08 and 67,614.28

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Solution

The fourth proportional to 219,435.82, 329,168.08 and 67,614.28 is: 101,425.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,435.82 : 329,168.08 = 67,614.28 : x
  2. Step 2: Convert to fraction form
    219,435.82/329,168.08 = 67,614.28/x
  3. Step 3: Cross multiply
    219,435.82x = 329,168.08 × 67,614.28
  4. Step 4: Simplify right side
    219,435.82x = 22,256,463,188.29
  5. Step 5: Solve for x
    x = 22,256,463,188.29/219,435.82
  6. Step 6: Final answer
    x = 101,425.84

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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.