Home / 193,379.64-266,366.70-136,693.56

Finding the Fourth Proportional to 193,379.64, 266,366.70 and 136,693.56

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Solution

The fourth proportional to 193,379.64, 266,366.70 and 136,693.56 is: 188,285.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,379.64 : 266,366.70 = 136,693.56 : x
  2. Step 2: Convert to fraction form
    193,379.64/266,366.70 = 136,693.56/x
  3. Step 3: Cross multiply
    193,379.64x = 266,366.70 × 136,693.56
  4. Step 4: Simplify right side
    193,379.64x = 36,410,612,488.45
  5. Step 5: Solve for x
    x = 36,410,612,488.45/193,379.64
  6. Step 6: Final answer
    x = 188,285.66

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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.