Home / 193,047.24-289,653.30-99,618.60

Finding the Fourth Proportional to 193,047.24, 289,653.30 and 99,618.60

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Solution

The fourth proportional to 193,047.24, 289,653.30 and 99,618.60 is: 149,470.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,047.24 : 289,653.30 = 99,618.60 : x
  2. Step 2: Convert to fraction form
    193,047.24/289,653.30 = 99,618.60/x
  3. Step 3: Cross multiply
    193,047.24x = 289,653.30 × 99,618.60
  4. Step 4: Simplify right side
    193,047.24x = 28,854,856,231.38
  5. Step 5: Solve for x
    x = 28,854,856,231.38/193,047.24
  6. Step 6: Final answer
    x = 149,470.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.