Home / 219,916.59-303,452.62-123,115.41

Finding the Fourth Proportional to 219,916.59, 303,452.62 and 123,115.41

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Solution

The fourth proportional to 219,916.59, 303,452.62 and 123,115.41 is: 169,881.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,916.59 : 303,452.62 = 123,115.41 : x
  2. Step 2: Convert to fraction form
    219,916.59/303,452.62 = 123,115.41/x
  3. Step 3: Cross multiply
    219,916.59x = 303,452.62 × 123,115.41
  4. Step 4: Simplify right side
    219,916.59x = 37,359,692,660.45
  5. Step 5: Solve for x
    x = 37,359,692,660.45/219,916.59
  6. Step 6: Final answer
    x = 169,881.19

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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.