Home / 196,850.28-271,653.31-107,426.28

Finding the Fourth Proportional to 196,850.28, 271,653.31 and 107,426.28

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Solution

The fourth proportional to 196,850.28, 271,653.31 and 107,426.28 is: 148,248.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,850.28 : 271,653.31 = 107,426.28 : x
  2. Step 2: Convert to fraction form
    196,850.28/271,653.31 = 107,426.28/x
  3. Step 3: Cross multiply
    196,850.28x = 271,653.31 × 107,426.28
  4. Step 4: Simplify right side
    196,850.28x = 29,182,702,916.15
  5. Step 5: Solve for x
    x = 29,182,702,916.15/196,850.28
  6. Step 6: Final answer
    x = 148,248.22

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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.