Home / 179,791.40-269,687.10-55,116.20

Finding the Fourth Proportional to 179,791.40, 269,687.10 and 55,116.20

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Solution

The fourth proportional to 179,791.40, 269,687.10 and 55,116.20 is: 82,674.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,791.40 : 269,687.10 = 55,116.20 : x
  2. Step 2: Convert to fraction form
    179,791.40/269,687.10 = 55,116.20/x
  3. Step 3: Cross multiply
    179,791.40x = 269,687.10 × 55,116.20
  4. Step 4: Simplify right side
    179,791.40x = 14,864,128,141.02
  5. Step 5: Solve for x
    x = 14,864,128,141.02/179,791.40
  6. Step 6: Final answer
    x = 82,674.30

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1.5x scale

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.