Home / 124,190.20-186,180.81-54,016.66

Finding the Fourth Proportional to 124,190.20, 186,180.81 and 54,016.66

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Solution

The fourth proportional to 124,190.20, 186,180.81 and 54,016.66 is: 80,979.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,190.20 : 186,180.81 = 54,016.66 : x
  2. Step 2: Convert to fraction form
    124,190.20/186,180.81 = 54,016.66/x
  3. Step 3: Cross multiply
    124,190.20x = 186,180.81 × 54,016.66
  4. Step 4: Simplify right side
    124,190.20x = 10,056,865,512.29
  5. Step 5: Solve for x
    x = 10,056,865,512.29/124,190.20
  6. Step 6: Final answer
    x = 80,979.54

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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.