Home / 187,975.76-259,406.68-103,093.16

Finding the Fourth Proportional to 187,975.76, 259,406.68 and 103,093.16

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Solution

The fourth proportional to 187,975.76, 259,406.68 and 103,093.16 is: 142,268.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,975.76 : 259,406.68 = 103,093.16 : x
  2. Step 2: Convert to fraction form
    187,975.76/259,406.68 = 103,093.16/x
  3. Step 3: Cross multiply
    187,975.76x = 259,406.68 × 103,093.16
  4. Step 4: Simplify right side
    187,975.76x = 26,743,054,366.31
  5. Step 5: Solve for x
    x = 26,743,054,366.31/187,975.76
  6. Step 6: Final answer
    x = 142,268.63

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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.