Home / 146,072.16-219,142.80-75,935.52

Finding the Fourth Proportional to 146,072.16, 219,142.80 and 75,935.52

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Solution

The fourth proportional to 146,072.16, 219,142.80 and 75,935.52 is: 113,921.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,072.16 : 219,142.80 = 75,935.52 : x
  2. Step 2: Convert to fraction form
    146,072.16/219,142.80 = 75,935.52/x
  3. Step 3: Cross multiply
    146,072.16x = 219,142.80 × 75,935.52
  4. Step 4: Simplify right side
    146,072.16x = 16,640,722,472.26
  5. Step 5: Solve for x
    x = 16,640,722,472.26/146,072.16
  6. Step 6: Final answer
    x = 113,921.25

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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.