Home / 204,639.80-282,416.30-124,074.68

Finding the Fourth Proportional to 204,639.80, 282,416.30 and 124,074.68

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Solution

The fourth proportional to 204,639.80, 282,416.30 and 124,074.68 is: 171,231.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,639.80 : 282,416.30 = 124,074.68 : x
  2. Step 2: Convert to fraction form
    204,639.80/282,416.30 = 124,074.68/x
  3. Step 3: Cross multiply
    204,639.80x = 282,416.30 × 124,074.68
  4. Step 4: Simplify right side
    204,639.80x = 35,040,712,049.28
  5. Step 5: Solve for x
    x = 35,040,712,049.28/204,639.80
  6. Step 6: Final answer
    x = 171,231.17

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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.