Home / 146,963.07-220,422.72-47,112.90

Finding the Fourth Proportional to 146,963.07, 220,422.72 and 47,112.90

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Solution

The fourth proportional to 146,963.07, 220,422.72 and 47,112.90 is: 70,662.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,963.07 : 220,422.72 = 47,112.90 : x
  2. Step 2: Convert to fraction form
    146,963.07/220,422.72 = 47,112.90/x
  3. Step 3: Cross multiply
    146,963.07x = 220,422.72 × 47,112.90
  4. Step 4: Simplify right side
    146,963.07x = 10,384,753,565.09
  5. Step 5: Solve for x
    x = 10,384,753,565.09/146,963.07
  6. Step 6: Final answer
    x = 70,662.33

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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.