Home / 146,640.24-202,361.76-82,976.40

Finding the Fourth Proportional to 146,640.24, 202,361.76 and 82,976.40

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Solution

The fourth proportional to 146,640.24, 202,361.76 and 82,976.40 is: 114,506.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,640.24 : 202,361.76 = 82,976.40 : x
  2. Step 2: Convert to fraction form
    146,640.24/202,361.76 = 82,976.40/x
  3. Step 3: Cross multiply
    146,640.24x = 202,361.76 × 82,976.40
  4. Step 4: Simplify right side
    146,640.24x = 16,791,250,342.46
  5. Step 5: Solve for x
    x = 16,791,250,342.46/146,640.24
  6. Step 6: Final answer
    x = 114,506.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.