Home / 247,243.06-341,138.19-166,819.78

Finding the Fourth Proportional to 247,243.06, 341,138.19 and 166,819.78

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Solution

The fourth proportional to 247,243.06, 341,138.19 and 166,819.78 is: 230,172.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,243.06 : 341,138.19 = 166,819.78 : x
  2. Step 2: Convert to fraction form
    247,243.06/341,138.19 = 166,819.78/x
  3. Step 3: Cross multiply
    247,243.06x = 341,138.19 × 166,819.78
  4. Step 4: Simplify right side
    247,243.06x = 56,908,597,805.40
  5. Step 5: Solve for x
    x = 56,908,597,805.40/247,243.06
  6. Step 6: Final answer
    x = 230,172.68

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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.