Home / 137,321.43-206,013.58-53,082.29

Finding the Fourth Proportional to 137,321.43, 206,013.58 and 53,082.29

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Solution

The fourth proportional to 137,321.43, 206,013.58 and 53,082.29 is: 79,635.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,321.43 : 206,013.58 = 53,082.29 : x
  2. Step 2: Convert to fraction form
    137,321.43/206,013.58 = 53,082.29/x
  3. Step 3: Cross multiply
    137,321.43x = 206,013.58 × 53,082.29
  4. Step 4: Simplify right side
    137,321.43x = 10,935,671,821.00
  5. Step 5: Solve for x
    x = 10,935,671,821.00/137,321.43
  6. Step 6: Final answer
    x = 79,635.58

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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.