Home / 108,359.78-162,392.04-52,195.80

Finding the Fourth Proportional to 108,359.78, 162,392.04 and 52,195.80

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Solution

The fourth proportional to 108,359.78, 162,392.04 and 52,195.80 is: 78,222.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,359.78 : 162,392.04 = 52,195.80 : x
  2. Step 2: Convert to fraction form
    108,359.78/162,392.04 = 52,195.80/x
  3. Step 3: Cross multiply
    108,359.78x = 162,392.04 × 52,195.80
  4. Step 4: Simplify right side
    108,359.78x = 8,476,182,441.43
  5. Step 5: Solve for x
    x = 8,476,182,441.43/108,359.78
  6. Step 6: Final answer
    x = 78,222.59

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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.