Home / 198,139.53-273,433.14-107,495.94

Finding the Fourth Proportional to 198,139.53, 273,433.14 and 107,495.94

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Solution

The fourth proportional to 198,139.53, 273,433.14 and 107,495.94 is: 148,344.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,139.53 : 273,433.14 = 107,495.94 : x
  2. Step 2: Convert to fraction form
    198,139.53/273,433.14 = 107,495.94/x
  3. Step 3: Cross multiply
    198,139.53x = 273,433.14 × 107,495.94
  4. Step 4: Simplify right side
    198,139.53x = 29,392,952,411.45
  5. Step 5: Solve for x
    x = 29,392,952,411.45/198,139.53
  6. Step 6: Final answer
    x = 148,344.72

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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.