Home / 198,065.62-273,329.31-107,423.74

Finding the Fourth Proportional to 198,065.62, 273,329.31 and 107,423.74

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Solution

The fourth proportional to 198,065.62, 273,329.31 and 107,423.74 is: 148,244.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,065.62 : 273,329.31 = 107,423.74 : x
  2. Step 2: Convert to fraction form
    198,065.62/273,329.31 = 107,423.74/x
  3. Step 3: Cross multiply
    198,065.62x = 273,329.31 × 107,423.74
  4. Step 4: Simplify right side
    198,065.62x = 29,362,056,731.82
  5. Step 5: Solve for x
    x = 29,362,056,731.82/198,065.62
  6. Step 6: Final answer
    x = 148,244.09

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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.