Home / 187,810.11-259,185.02-107,238.33

Finding the Fourth Proportional to 187,810.11, 259,185.02 and 107,238.33

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Solution

The fourth proportional to 187,810.11, 259,185.02 and 107,238.33 is: 147,992.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,810.11 : 259,185.02 = 107,238.33 : x
  2. Step 2: Convert to fraction form
    187,810.11/259,185.02 = 107,238.33/x
  3. Step 3: Cross multiply
    187,810.11x = 259,185.02 × 107,238.33
  4. Step 4: Simplify right side
    187,810.11x = 27,794,568,169.63
  5. Step 5: Solve for x
    x = 27,794,568,169.63/187,810.11
  6. Step 6: Final answer
    x = 147,992.93

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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.