Home / 205,175.49-282,918.99-133,422.45

Finding the Fourth Proportional to 205,175.49, 282,918.99 and 133,422.45

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Solution

The fourth proportional to 205,175.49, 282,918.99 and 133,422.45 is: 183,977.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,175.49 : 282,918.99 = 133,422.45 : x
  2. Step 2: Convert to fraction form
    205,175.49/282,918.99 = 133,422.45/x
  3. Step 3: Cross multiply
    205,175.49x = 282,918.99 × 133,422.45
  4. Step 4: Simplify right side
    205,175.49x = 37,747,744,797.33
  5. Step 5: Solve for x
    x = 37,747,744,797.33/205,175.49
  6. Step 6: Final answer
    x = 183,977.85

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1.5x scale

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.