Home / 220,841.21-331,293.69-108,527.82

Finding the Fourth Proportional to 220,841.21, 331,293.69 and 108,527.82

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Solution

The fourth proportional to 220,841.21, 331,293.69 and 108,527.82 is: 162,807.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,841.21 : 331,293.69 = 108,527.82 : x
  2. Step 2: Convert to fraction form
    220,841.21/331,293.69 = 108,527.82/x
  3. Step 3: Cross multiply
    220,841.21x = 331,293.69 × 108,527.82
  4. Step 4: Simplify right side
    220,841.21x = 35,954,581,955.46
  5. Step 5: Solve for x
    x = 35,954,581,955.46/220,841.21
  6. Step 6: Final answer
    x = 162,807.40

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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.