Home / 209,839.59-314,845.83-153,964.56

Finding the Fourth Proportional to 209,839.59, 314,845.83 and 153,964.56

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Solution

The fourth proportional to 209,839.59, 314,845.83 and 153,964.56 is: 231,010.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,839.59 : 314,845.83 = 153,964.56 : x
  2. Step 2: Convert to fraction form
    209,839.59/314,845.83 = 153,964.56/x
  3. Step 3: Cross multiply
    209,839.59x = 314,845.83 × 153,964.56
  4. Step 4: Simplify right side
    209,839.59x = 48,475,099,683.78
  5. Step 5: Solve for x
    x = 48,475,099,683.78/209,839.59
  6. Step 6: Final answer
    x = 231,010.27

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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.