Home / 124,178.70-186,163.56-54,005.16

Finding the Fourth Proportional to 124,178.70, 186,163.56 and 54,005.16

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Solution

The fourth proportional to 124,178.70, 186,163.56 and 54,005.16 is: 80,962.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,178.70 : 186,163.56 = 54,005.16 : x
  2. Step 2: Convert to fraction form
    124,178.70/186,163.56 = 54,005.16/x
  3. Step 3: Cross multiply
    124,178.70x = 186,163.56 × 54,005.16
  4. Step 4: Simplify right side
    124,178.70x = 10,053,792,843.97
  5. Step 5: Solve for x
    x = 10,053,792,843.97/124,178.70
  6. Step 6: Final answer
    x = 80,962.30

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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.