Home / 146,787.40-219,743.70-87,592.60

Finding the Fourth Proportional to 146,787.40, 219,743.70 and 87,592.60

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Solution

The fourth proportional to 146,787.40, 219,743.70 and 87,592.60 is: 131,127.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,787.40 : 219,743.70 = 87,592.60 : x
  2. Step 2: Convert to fraction form
    146,787.40/219,743.70 = 87,592.60/x
  3. Step 3: Cross multiply
    146,787.40x = 219,743.70 × 87,592.60
  4. Step 4: Simplify right side
    146,787.40x = 19,247,922,016.62
  5. Step 5: Solve for x
    x = 19,247,922,016.62/146,787.40
  6. Step 6: Final answer
    x = 131,127.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.