Home / 173,109.43-259,693.31-79,612.75

Finding the Fourth Proportional to 173,109.43, 259,693.31 and 79,612.75

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Solution

The fourth proportional to 173,109.43, 259,693.31 and 79,612.75 is: 119,432.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,109.43 : 259,693.31 = 79,612.75 : x
  2. Step 2: Convert to fraction form
    173,109.43/259,693.31 = 79,612.75/x
  3. Step 3: Cross multiply
    173,109.43x = 259,693.31 × 79,612.75
  4. Step 4: Simplify right side
    173,109.43x = 20,674,898,565.70
  5. Step 5: Solve for x
    x = 20,674,898,565.70/173,109.43
  6. Step 6: Final answer
    x = 119,432.54

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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.