Home / 190,787.82-263,233.85-119,240.52

Finding the Fourth Proportional to 190,787.82, 263,233.85 and 119,240.52

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Solution

The fourth proportional to 190,787.82, 263,233.85 and 119,240.52 is: 164,518.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,787.82 : 263,233.85 = 119,240.52 : x
  2. Step 2: Convert to fraction form
    190,787.82/263,233.85 = 119,240.52/x
  3. Step 3: Cross multiply
    190,787.82x = 263,233.85 × 119,240.52
  4. Step 4: Simplify right side
    190,787.82x = 31,388,140,559.40
  5. Step 5: Solve for x
    x = 31,388,140,559.40/190,787.82
  6. Step 6: Final answer
    x = 164,518.58

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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.