Home / 194,881.20-292,103.10-82,542.30

Finding the Fourth Proportional to 194,881.20, 292,103.10 and 82,542.30

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Solution

The fourth proportional to 194,881.20, 292,103.10 and 82,542.30 is: 123,720.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,881.20 : 292,103.10 = 82,542.30 : x
  2. Step 2: Convert to fraction form
    194,881.20/292,103.10 = 82,542.30/x
  3. Step 3: Cross multiply
    194,881.20x = 292,103.10 × 82,542.30
  4. Step 4: Simplify right side
    194,881.20x = 24,110,861,711.13
  5. Step 5: Solve for x
    x = 24,110,861,711.13/194,881.20
  6. Step 6: Final answer
    x = 123,720.82

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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.