Home / 217,056.82-325,696.25-103,333.12

Finding the Fourth Proportional to 217,056.82, 325,696.25 and 103,333.12

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Solution

The fourth proportional to 217,056.82, 325,696.25 and 103,333.12 is: 155,052.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,056.82 : 325,696.25 = 103,333.12 : x
  2. Step 2: Convert to fraction form
    217,056.82/325,696.25 = 103,333.12/x
  3. Step 3: Cross multiply
    217,056.82x = 325,696.25 × 103,333.12
  4. Step 4: Simplify right side
    217,056.82x = 33,655,210,350.25
  5. Step 5: Solve for x
    x = 33,655,210,350.25/217,056.82
  6. Step 6: Final answer
    x = 155,052.54

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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.