Home / 195,715.20-269,686.08-161,846.40

Finding the Fourth Proportional to 195,715.20, 269,686.08 and 161,846.40

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Solution

The fourth proportional to 195,715.20, 269,686.08 and 161,846.40 is: 223,016.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,715.20 : 269,686.08 = 161,846.40 : x
  2. Step 2: Convert to fraction form
    195,715.20/269,686.08 = 161,846.40/x
  3. Step 3: Cross multiply
    195,715.20x = 269,686.08 × 161,846.40
  4. Step 4: Simplify right side
    195,715.20x = 43,647,721,178.11
  5. Step 5: Solve for x
    x = 43,647,721,178.11/195,715.20
  6. Step 6: Final answer
    x = 223,016.51

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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.