Home / 193,029-266,390.96-108,173.40

Finding the Fourth Proportional to 193,029, 266,390.96 and 108,173.40

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Solution

The fourth proportional to 193,029, 266,390.96 and 108,173.40 is: 149,285.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,029 : 266,390.96 = 108,173.40 : x
  2. Step 2: Convert to fraction form
    193,029/266,390.96 = 108,173.40/x
  3. Step 3: Cross multiply
    193,029x = 266,390.96 × 108,173.40
  4. Step 4: Simplify right side
    193,029x = 28,816,415,872.46
  5. Step 5: Solve for x
    x = 28,816,415,872.46/193,029
  6. Step 6: Final answer
    x = 149,285.42

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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.