Home / 209,516.44-314,304.18-67,314.04

Finding the Fourth Proportional to 209,516.44, 314,304.18 and 67,314.04

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Solution

The fourth proportional to 209,516.44, 314,304.18 and 67,314.04 is: 100,980.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,516.44 : 314,304.18 = 67,314.04 : x
  2. Step 2: Convert to fraction form
    209,516.44/314,304.18 = 67,314.04/x
  3. Step 3: Cross multiply
    209,516.44x = 314,304.18 × 67,314.04
  4. Step 4: Simplify right side
    209,516.44x = 21,157,084,144.69
  5. Step 5: Solve for x
    x = 21,157,084,144.69/209,516.44
  6. Step 6: Final answer
    x = 100,980.54

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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.