Home / 164,721.72-247,100.74-52,375.66

Finding the Fourth Proportional to 164,721.72, 247,100.74 and 52,375.66

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Solution

The fourth proportional to 164,721.72, 247,100.74 and 52,375.66 is: 78,569.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,721.72 : 247,100.74 = 52,375.66 : x
  2. Step 2: Convert to fraction form
    164,721.72/247,100.74 = 52,375.66/x
  3. Step 3: Cross multiply
    164,721.72x = 247,100.74 × 52,375.66
  4. Step 4: Simplify right side
    164,721.72x = 12,942,063,108.48
  5. Step 5: Solve for x
    x = 12,942,063,108.48/164,721.72
  6. Step 6: Final answer
    x = 78,569.26

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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.