Home / 221,059.43-331,311.80-94,551.20

Finding the Fourth Proportional to 221,059.43, 331,311.80 and 94,551.20

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Solution

The fourth proportional to 221,059.43, 331,311.80 and 94,551.20 is: 141,708.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,059.43 : 331,311.80 = 94,551.20 : x
  2. Step 2: Convert to fraction form
    221,059.43/331,311.80 = 94,551.20/x
  3. Step 3: Cross multiply
    221,059.43x = 331,311.80 × 94,551.20
  4. Step 4: Simplify right side
    221,059.43x = 31,325,928,086.40
  5. Step 5: Solve for x
    x = 31,325,928,086.40/221,059.43
  6. Step 6: Final answer
    x = 141,708.17

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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.