Home / 219,511.49-329,323.91-67,705.16

Finding the Fourth Proportional to 219,511.49, 329,323.91 and 67,705.16

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Solution

The fourth proportional to 219,511.49, 329,323.91 and 67,705.16 is: 101,575.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,511.49 : 329,323.91 = 67,705.16 : x
  2. Step 2: Convert to fraction form
    219,511.49/329,323.91 = 67,705.16/x
  3. Step 3: Cross multiply
    219,511.49x = 329,323.91 × 67,705.16
  4. Step 4: Simplify right side
    219,511.49x = 22,296,927,025.80
  5. Step 5: Solve for x
    x = 22,296,927,025.80/219,511.49
  6. Step 6: Final answer
    x = 101,575.21

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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.