Home / 247,896.32-371,844.60-163,636.79

Finding the Fourth Proportional to 247,896.32, 371,844.60 and 163,636.79

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Solution

The fourth proportional to 247,896.32, 371,844.60 and 163,636.79 is: 245,455.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,896.32 : 371,844.60 = 163,636.79 : x
  2. Step 2: Convert to fraction form
    247,896.32/371,844.60 = 163,636.79/x
  3. Step 3: Cross multiply
    247,896.32x = 371,844.60 × 163,636.79
  4. Step 4: Simplify right side
    247,896.32x = 60,847,456,871.67
  5. Step 5: Solve for x
    x = 60,847,456,871.67/247,896.32
  6. Step 6: Final answer
    x = 245,455.27

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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.