Home / 272,826.97-409,185.07-73,100.68

Finding the Fourth Proportional to 272,826.97, 409,185.07 and 73,100.68

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Solution

The fourth proportional to 272,826.97, 409,185.07 and 73,100.68 is: 109,636.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,826.97 : 409,185.07 = 73,100.68 : x
  2. Step 2: Convert to fraction form
    272,826.97/409,185.07 = 73,100.68/x
  3. Step 3: Cross multiply
    272,826.97x = 409,185.07 × 73,100.68
  4. Step 4: Simplify right side
    272,826.97x = 29,911,705,657.13
  5. Step 5: Solve for x
    x = 29,911,705,657.13/272,826.97
  6. Step 6: Final answer
    x = 109,636.18

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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.