Home / 166,005.40-248,983.80-47,664.40

Finding the Fourth Proportional to 166,005.40, 248,983.80 and 47,664.40

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Solution

The fourth proportional to 166,005.40, 248,983.80 and 47,664.40 is: 71,489.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,005.40 : 248,983.80 = 47,664.40 : x
  2. Step 2: Convert to fraction form
    166,005.40/248,983.80 = 47,664.40/x
  3. Step 3: Cross multiply
    166,005.40x = 248,983.80 × 47,664.40
  4. Step 4: Simplify right side
    166,005.40x = 11,867,663,436.72
  5. Step 5: Solve for x
    x = 11,867,663,436.72/166,005.40
  6. Step 6: Final answer
    x = 71,489.62

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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.