Home / 146,528.70-219,617.48-75,485.22

Finding the Fourth Proportional to 146,528.70, 219,617.48 and 75,485.22

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Solution

The fourth proportional to 146,528.70, 219,617.48 and 75,485.22 is: 113,137.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,528.70 : 219,617.48 = 75,485.22 : x
  2. Step 2: Convert to fraction form
    146,528.70/219,617.48 = 75,485.22/x
  3. Step 3: Cross multiply
    146,528.70x = 219,617.48 × 75,485.22
  4. Step 4: Simplify right side
    146,528.70x = 16,577,873,793.65
  5. Step 5: Solve for x
    x = 16,577,873,793.65/146,528.70
  6. Step 6: Final answer
    x = 113,137.38

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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.