Home / 102,794.21-154,203.66-36,220.58

Finding the Fourth Proportional to 102,794.21, 154,203.66 and 36,220.58

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Solution

The fourth proportional to 102,794.21, 154,203.66 and 36,220.58 is: 54,335.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,794.21 : 154,203.66 = 36,220.58 : x
  2. Step 2: Convert to fraction form
    102,794.21/154,203.66 = 36,220.58/x
  3. Step 3: Cross multiply
    102,794.21x = 154,203.66 × 36,220.58
  4. Step 4: Simplify right side
    102,794.21x = 5,585,345,232.30
  5. Step 5: Solve for x
    x = 5,585,345,232.30/102,794.21
  6. Step 6: Final answer
    x = 54,335.22

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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.