Home / 124,717.80-187,076.70-82,727.40

Finding the Fourth Proportional to 124,717.80, 187,076.70 and 82,727.40

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Solution

The fourth proportional to 124,717.80, 187,076.70 and 82,727.40 is: 124,091.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,717.80 : 187,076.70 = 82,727.40 : x
  2. Step 2: Convert to fraction form
    124,717.80/187,076.70 = 82,727.40/x
  3. Step 3: Cross multiply
    124,717.80x = 187,076.70 × 82,727.40
  4. Step 4: Simplify right side
    124,717.80x = 15,476,368,991.58
  5. Step 5: Solve for x
    x = 15,476,368,991.58/124,717.80
  6. Step 6: Final answer
    x = 124,091.10

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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.