Home / 204,891.72-282,754.06-113,021.55

Finding the Fourth Proportional to 204,891.72, 282,754.06 and 113,021.55

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Solution

The fourth proportional to 204,891.72, 282,754.06 and 113,021.55 is: 155,971.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,891.72 : 282,754.06 = 113,021.55 : x
  2. Step 2: Convert to fraction form
    204,891.72/282,754.06 = 113,021.55/x
  3. Step 3: Cross multiply
    204,891.72x = 282,754.06 × 113,021.55
  4. Step 4: Simplify right side
    204,891.72x = 31,957,301,847.44
  5. Step 5: Solve for x
    x = 31,957,301,847.44/204,891.72
  6. Step 6: Final answer
    x = 155,971.66

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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.