Home / 219,836.89-303,369.96-124,343.47

Finding the Fourth Proportional to 219,836.89, 303,369.96 and 124,343.47

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Solution

The fourth proportional to 219,836.89, 303,369.96 and 124,343.47 is: 171,591.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,836.89 : 303,369.96 = 124,343.47 : x
  2. Step 2: Convert to fraction form
    219,836.89/303,369.96 = 124,343.47/x
  3. Step 3: Cross multiply
    219,836.89x = 303,369.96 × 124,343.47
  4. Step 4: Simplify right side
    219,836.89x = 37,722,073,520.16
  5. Step 5: Solve for x
    x = 37,722,073,520.16/219,836.89
  6. Step 6: Final answer
    x = 171,591.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.