Home / 193,016.62-266,377.70-111,359.50

Finding the Fourth Proportional to 193,016.62, 266,377.70 and 111,359.50

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Solution

The fourth proportional to 193,016.62, 266,377.70 and 111,359.50 is: 153,684.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,016.62 : 266,377.70 = 111,359.50 : x
  2. Step 2: Convert to fraction form
    193,016.62/266,377.70 = 111,359.50/x
  3. Step 3: Cross multiply
    193,016.62x = 266,377.70 × 111,359.50
  4. Step 4: Simplify right side
    193,016.62x = 29,663,687,483.15
  5. Step 5: Solve for x
    x = 29,663,687,483.15/193,016.62
  6. Step 6: Final answer
    x = 153,684.63

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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.