Home / 190,084.09-262,286.82-109,495.87

Finding the Fourth Proportional to 190,084.09, 262,286.82 and 109,495.87

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Solution

The fourth proportional to 190,084.09, 262,286.82 and 109,495.87 is: 151,087.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,084.09 : 262,286.82 = 109,495.87 : x
  2. Step 2: Convert to fraction form
    190,084.09/262,286.82 = 109,495.87/x
  3. Step 3: Cross multiply
    190,084.09x = 262,286.82 × 109,495.87
  4. Step 4: Simplify right side
    190,084.09x = 28,719,323,873.29
  5. Step 5: Solve for x
    x = 28,719,323,873.29/190,084.09
  6. Step 6: Final answer
    x = 151,087.47

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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.