Home / 173,211.22-239,015.64-101,578.06

Finding the Fourth Proportional to 173,211.22, 239,015.64 and 101,578.06

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Solution

The fourth proportional to 173,211.22, 239,015.64 and 101,578.06 is: 140,168.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,211.22 : 239,015.64 = 101,578.06 : x
  2. Step 2: Convert to fraction form
    173,211.22/239,015.64 = 101,578.06/x
  3. Step 3: Cross multiply
    173,211.22x = 239,015.64 × 101,578.06
  4. Step 4: Simplify right side
    173,211.22x = 24,278,745,020.86
  5. Step 5: Solve for x
    x = 24,278,745,020.86/173,211.22
  6. Step 6: Final answer
    x = 140,168.43

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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.