Home / 146,176.43-201,723.47-79,108.43

Finding the Fourth Proportional to 146,176.43, 201,723.47 and 79,108.43

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Solution

The fourth proportional to 146,176.43, 201,723.47 and 79,108.43 is: 109,169.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,176.43 : 201,723.47 = 79,108.43 : x
  2. Step 2: Convert to fraction form
    146,176.43/201,723.47 = 79,108.43/x
  3. Step 3: Cross multiply
    146,176.43x = 201,723.47 × 79,108.43
  4. Step 4: Simplify right side
    146,176.43x = 15,958,027,005.85
  5. Step 5: Solve for x
    x = 15,958,027,005.85/146,176.43
  6. Step 6: Final answer
    x = 109,169.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.