Home / 205,476.75-283,568.72-124,891.20

Finding the Fourth Proportional to 205,476.75, 283,568.72 and 124,891.20

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Solution

The fourth proportional to 205,476.75, 283,568.72 and 124,891.20 is: 172,356.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,476.75 : 283,568.72 = 124,891.20 : x
  2. Step 2: Convert to fraction form
    205,476.75/283,568.72 = 124,891.20/x
  3. Step 3: Cross multiply
    205,476.75x = 283,568.72 × 124,891.20
  4. Step 4: Simplify right side
    205,476.75x = 35,415,237,098.81
  5. Step 5: Solve for x
    x = 35,415,237,098.81/205,476.75
  6. Step 6: Final answer
    x = 172,356.42

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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.