Home / 193,213.52-266,584.18-111,521.76

Finding the Fourth Proportional to 193,213.52, 266,584.18 and 111,521.76

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Solution

The fourth proportional to 193,213.52, 266,584.18 and 111,521.76 is: 153,870.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,213.52 : 266,584.18 = 111,521.76 : x
  2. Step 2: Convert to fraction form
    193,213.52/266,584.18 = 111,521.76/x
  3. Step 3: Cross multiply
    193,213.52x = 266,584.18 × 111,521.76
  4. Step 4: Simplify right side
    193,213.52x = 29,729,936,941.76
  5. Step 5: Solve for x
    x = 29,729,936,941.76/193,213.52
  6. Step 6: Final answer
    x = 153,870.89

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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.