Home / 146,949.40-219,986.70-87,754.60

Finding the Fourth Proportional to 146,949.40, 219,986.70 and 87,754.60

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Solution

The fourth proportional to 146,949.40, 219,986.70 and 87,754.60 is: 131,370.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,949.40 : 219,986.70 = 87,754.60 : x
  2. Step 2: Convert to fraction form
    146,949.40/219,986.70 = 87,754.60/x
  3. Step 3: Cross multiply
    146,949.40x = 219,986.70 × 87,754.60
  4. Step 4: Simplify right side
    146,949.40x = 19,304,844,863.82
  5. Step 5: Solve for x
    x = 19,304,844,863.82/146,949.40
  6. Step 6: Final answer
    x = 131,370.70

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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.