Home / 146,455.80-202,112.40-82,797.36

Finding the Fourth Proportional to 146,455.80, 202,112.40 and 82,797.36

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Solution

The fourth proportional to 146,455.80, 202,112.40 and 82,797.36 is: 114,262.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,455.80 : 202,112.40 = 82,797.36 : x
  2. Step 2: Convert to fraction form
    146,455.80/202,112.40 = 82,797.36/x
  3. Step 3: Cross multiply
    146,455.80x = 202,112.40 × 82,797.36
  4. Step 4: Simplify right side
    146,455.80x = 16,734,373,143.26
  5. Step 5: Solve for x
    x = 16,734,373,143.26/146,455.80
  6. Step 6: Final answer
    x = 114,262.28

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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.