Home / 219,800.25-329,726.82-77,616.27

Finding the Fourth Proportional to 219,800.25, 329,726.82 and 77,616.27

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Solution

The fourth proportional to 219,800.25, 329,726.82 and 77,616.27 is: 116,433.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,800.25 : 329,726.82 = 77,616.27 : x
  2. Step 2: Convert to fraction form
    219,800.25/329,726.82 = 77,616.27/x
  3. Step 3: Cross multiply
    219,800.25x = 329,726.82 × 77,616.27
  4. Step 4: Simplify right side
    219,800.25x = 25,592,165,887.36
  5. Step 5: Solve for x
    x = 25,592,165,887.36/219,800.25
  6. Step 6: Final answer
    x = 116,433.74

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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.