Home / 218,455.16-327,696.87-68,701.25

Finding the Fourth Proportional to 218,455.16, 327,696.87 and 68,701.25

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Solution

The fourth proportional to 218,455.16, 327,696.87 and 68,701.25 is: 103,056.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,455.16 : 327,696.87 = 68,701.25 : x
  2. Step 2: Convert to fraction form
    218,455.16/327,696.87 = 68,701.25/x
  3. Step 3: Cross multiply
    218,455.16x = 327,696.87 × 68,701.25
  4. Step 4: Simplify right side
    218,455.16x = 22,513,183,244.00
  5. Step 5: Solve for x
    x = 22,513,183,244.00/218,455.16
  6. Step 6: Final answer
    x = 103,056.31

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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.