Home / 190,787.57-263,233.50-119,240.27

Finding the Fourth Proportional to 190,787.57, 263,233.50 and 119,240.27

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Solution

The fourth proportional to 190,787.57, 263,233.50 and 119,240.27 is: 164,518.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,787.57 : 263,233.50 = 119,240.27 : x
  2. Step 2: Convert to fraction form
    190,787.57/263,233.50 = 119,240.27/x
  3. Step 3: Cross multiply
    190,787.57x = 263,233.50 × 119,240.27
  4. Step 4: Simplify right side
    190,787.57x = 31,388,033,613.05
  5. Step 5: Solve for x
    x = 31,388,033,613.05/190,787.57
  6. Step 6: Final answer
    x = 164,518.23

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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.