Home / 268,016.20-401,441.10-162,651.40

Finding the Fourth Proportional to 268,016.20, 401,441.10 and 162,651.40

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Solution

The fourth proportional to 268,016.20, 401,441.10 and 162,651.40 is: 243,623.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,016.20 : 401,441.10 = 162,651.40 : x
  2. Step 2: Convert to fraction form
    268,016.20/401,441.10 = 162,651.40/x
  3. Step 3: Cross multiply
    268,016.20x = 401,441.10 × 162,651.40
  4. Step 4: Simplify right side
    268,016.20x = 65,294,956,932.54
  5. Step 5: Solve for x
    x = 65,294,956,932.54/268,016.20
  6. Step 6: Final answer
    x = 243,623.17

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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.