Home / 204,476.72-282,190.76-123,911.28

Finding the Fourth Proportional to 204,476.72, 282,190.76 and 123,911.28

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Solution

The fourth proportional to 204,476.72, 282,190.76 and 123,911.28 is: 171,005.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,476.72 : 282,190.76 = 123,911.28 : x
  2. Step 2: Convert to fraction form
    204,476.72/282,190.76 = 123,911.28/x
  3. Step 3: Cross multiply
    204,476.72x = 282,190.76 × 123,911.28
  4. Step 4: Simplify right side
    204,476.72x = 34,966,618,275.77
  5. Step 5: Solve for x
    x = 34,966,618,275.77/204,476.72
  6. Step 6: Final answer
    x = 171,005.38

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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.