Home / 166,721.92-230,076.23-90,241.00

Finding the Fourth Proportional to 166,721.92, 230,076.23 and 90,241.00

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Solution

The fourth proportional to 166,721.92, 230,076.23 and 90,241.00 is: 124,532.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,721.92 : 230,076.23 = 90,241.00 : x
  2. Step 2: Convert to fraction form
    166,721.92/230,076.23 = 90,241.00/x
  3. Step 3: Cross multiply
    166,721.92x = 230,076.23 × 90,241.00
  4. Step 4: Simplify right side
    166,721.92x = 20,762,308,045.03
  5. Step 5: Solve for x
    x = 20,762,308,045.03/166,721.92
  6. Step 6: Final answer
    x = 124,532.57

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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.