Home / 195,340.80-269,107.20-161,126.40

Finding the Fourth Proportional to 195,340.80, 269,107.20 and 161,126.40

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Solution

The fourth proportional to 195,340.80, 269,107.20 and 161,126.40 is: 221,972.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,340.80 : 269,107.20 = 161,126.40 : x
  2. Step 2: Convert to fraction form
    195,340.80/269,107.20 = 161,126.40/x
  3. Step 3: Cross multiply
    195,340.80x = 269,107.20 × 161,126.40
  4. Step 4: Simplify right side
    195,340.80x = 43,360,274,350.08
  5. Step 5: Solve for x
    x = 43,360,274,350.08/195,340.80
  6. Step 6: Final answer
    x = 221,972.44

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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.