Home / 174,105.30-261,181.16-68,899.66

Finding the Fourth Proportional to 174,105.30, 261,181.16 and 68,899.66

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Solution

The fourth proportional to 174,105.30, 261,181.16 and 68,899.66 is: 103,358.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,105.30 : 261,181.16 = 68,899.66 : x
  2. Step 2: Convert to fraction form
    174,105.30/261,181.16 = 68,899.66/x
  3. Step 3: Cross multiply
    174,105.30x = 261,181.16 × 68,899.66
  4. Step 4: Simplify right side
    174,105.30x = 17,995,293,122.41
  5. Step 5: Solve for x
    x = 17,995,293,122.41/174,105.30
  6. Step 6: Final answer
    x = 103,358.68

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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.